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87 vulnerabilities found for libssh by libssh

CVE-2026-0965 (GCVE-0-2026-0965)

Vulnerability from nvd – Published: 2026-03-26 20:06 – Updated: 2026-03-30 11:31
VLAI?
Title
Libssh: libssh: denial of service via improper configuration file handling
Summary
A flaw was found in libssh where it can attempt to open arbitrary files during configuration parsing. A local attacker can exploit this by providing a malicious configuration file or when the system is misconfigured. This vulnerability could lead to a Denial of Service (DoS) by causing the system to try and access dangerous files, such as block devices or large system files, which can disrupt normal operations.
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Date Public ?
2026-02-10 18:47
Credits
Red Hat would like to thank Jakub Jelen (libssh) and Kang Yang for reporting this issue.
Show details on NVD website

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CVE-2026-0967 (GCVE-0-2026-0967)

Vulnerability from nvd – Published: 2026-03-26 20:06 – Updated: 2026-04-02 17:33
VLAI?
Title
Libssh: libssh: denial of service via inefficient regular expression processing
Summary
A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts files, could craft specific hostnames that when processed by the `match_pattern()` function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in a Denial of Service (DoS) for the client.
CWE
  • CWE-1333 - Inefficient Regular Expression Complexity
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Date Public ?
2026-02-10 18:47
Credits
Red Hat would like to thank Jakub Jelen (libssh) and Kang Yang for reporting this issue.
Show details on NVD website

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CVE-2026-3731 (GCVE-0-2026-3731)

Vulnerability from nvd – Published: 2026-03-08 10:32 – Updated: 2026-03-11 19:50
VLAI?
Title
libssh SFTP Extension Name sftp.c sftp_extensions_get_data out-of-bounds
Summary
A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.
CWE
Assigner
Impacted products
Vendor Product Version
n/a libssh Affected: 0.11.0
Affected: 0.11.1
Affected: 0.11.2
Affected: 0.11.3
Unaffected: 0.11.4
Unaffected: 0.12.0
    cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
Show details on NVD website

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CVE-2025-5449 (GCVE-0-2025-5449)

Vulnerability from nvd – Published: 2025-07-25 17:19 – Updated: 2026-01-08 03:11
VLAI?
Title
Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service
Summary
A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Impacted products
Vendor Product Version
Affected: 0.11.0 , ≤ 0.11.1 (semver)
Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

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CVE-2025-8114 (GCVE-0-2025-8114)

Vulnerability from nvd – Published: 2025-07-24 14:14 – Updated: 2026-01-22 00:07
VLAI?
Title
Libssh: null pointer dereference in libssh kex session id calculation
Summary
A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
Impacted products
Vendor Product Version
Affected: 0 , < 0.11.3 (semver)
Date Public ?
2025-07-24 00:00
Credits
Red Hat would like to thank Jakub Jelen and Philippe Antoine for reporting this issue.
Show details on NVD website

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CVE-2025-5987 (GCVE-0-2025-5987)

Vulnerability from nvd – Published: 2025-07-07 14:24 – Updated: 2026-03-20 20:05
VLAI?
Title
Libssh: invalid return code for chacha20 poly1305 with openssl backend
Summary
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes.
CWE
  • CWE-393 - Return of Wrong Status Code
Assigner
References
https://access.redhat.com/errata/RHSA-2025:23483 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23484 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0427 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0428 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0430 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0431 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0702 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0978 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0980 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0985 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0996 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1539 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1541 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3415 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5987 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2376219 issue-trackingx_refsource_REDHAT
https://www.libssh.org/security/advisories/CVE-20…
Impacted products
Vendor Product Version
Affected: 0.10.0 , < 0.11.2 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-5.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:0.11.1-4.el10_0.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-17.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-17.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:0.10.4-9.el9_2.2 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:0.10.4-13.el9_4.2 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:0.10.4-15.el9_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.6::baseos
    cpe:/a:redhat:rhel_eus:9.6::appstream
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202602240113-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.13::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202601191325-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202601271320-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202601160124-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202601120213-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202601202224-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 9.6.20260123-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.20 Unaffected: 4.20.9.6.202601211057-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.20::el9
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Date Public ?
2025-04-26 00:00
Show details on NVD website

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CVE-2025-5351 (GCVE-0-2025-5351)

Vulnerability from nvd – Published: 2025-07-04 08:16 – Updated: 2026-01-08 03:07
VLAI?
Title
Libssh: double free vulnerability in libssh key export functions
Summary
A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additional failure occurs later in the function. This condition may result in heap corruption or application instability in low-memory scenarios, posing a risk to system reliability where key export operations are performed.
CWE
Assigner
References
Impacted products
Vendor Product Version
libssh libssh Affected: 0.10.0 , < 0.11.2 (semver)
Create a notification for this product.
Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

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    "cveId": "CVE-2025-5351",
    "datePublished": "2025-07-04T08:16:47.122Z",
    "dateReserved": "2025-05-30T07:01:37.816Z",
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CVE-2025-5372 (GCVE-0-2025-5372)

Vulnerability from nvd – Published: 2025-07-04 06:01 – Updated: 2026-03-10 11:48
VLAI?
Title
Libssh: incorrect return code handling in ssh_kdf() in libssh
Summary
A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.
CWE
Assigner
References
https://access.redhat.com/errata/RHSA-2025:21977 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23024 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5372 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2369388 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
libssh libssh Affected: 0 , < 0.11.2 (semver)
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-16.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-16.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:0.9.6-3.el9_0.2 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.0::baseos
    cpe:/a:redhat:rhel_e4s:9.0::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Date Public ?
2025-06-24 00:00
Show details on NVD website

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CVE-2025-5318 (GCVE-0-2025-5318)

Vulnerability from nvd – Published: 2025-06-24 14:10 – Updated: 2026-03-18 20:41
VLAI?
Title
Libssh: out-of-bounds read in sftp_handle()
Summary
A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.
CWE
Assigner
References
https://access.redhat.com/errata/RHSA-2025:18231 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:18275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:18286 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19012 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19098 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19101 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19295 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19300 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19313 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19400 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19401 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19470 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19472 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19807 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19864 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:20943 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21013 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21329 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21829 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23078 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23079 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23080 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0326 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1541 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3461 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3462 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5318 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2369131 issue-trackingx_refsource_REDHAT
https://www.libssh.org/security/advisories/CVE-20…
Impacted products
Vendor Product Version
Affected: 0 , < 0.11.2 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-4.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-4.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-15.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-15.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:0.9.0-4.el8_2.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.2::baseos
    cpe:/a:redhat:rhel_aus:8.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:0.9.4-2.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:0.9.4-2.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:0.9.6-13.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:0.9.6-13.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:0.9.6-3.el9_0.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
    cpe:/o:redhat:rhel_e4s:9.0::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:0.10.4-9.el9_2.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:0.10.4-13.el9_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.12 Unaffected: 412.86.202511191939-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.12::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202511261311-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.13::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202511122212-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202601271320-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202601071926-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202510282022-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202511041748-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 4.19.9.6.202510281054-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.20 Unaffected: 4.20.9.6.202510290321-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.20::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:bddcf7ab6d576572b6d60822c313ffebcd9869e4fde93e32ac327821f93cf32b , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:7856bdb7ae0d643a7b9362c164d4d4fe3c0c7186f5fff73a7ae9835b3df52e57 , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:dce6b0ea03379bf06664a5200af8b5f5ae3fad13cdce6d21873843f22554800b , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:fa844e16d06e871f1a5dbc2fd5b3882d28112eee8d6bee601d94c96295c5e24f , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
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    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:53007894763e03f609c35c727cb738db3c2130b19fa0e1069c24240e0870fb7a , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
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    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:b5ee1febe929df3dd67df124aeb65d1920af553e667c2929a6865784ce546dc3 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
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    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:f242d27114fa7546df4d7261cccbd8586e9e6ba2487f02e260d8880807b94f43 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
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    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:dcbae88d4be5b004ff7473bcfbbd57946c773f7e77fc99da0b5b023310f55ddd , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:8ad291327a8410feb2d34afeb0d0c7f847a1cffc838883b65d71427b3f97670a , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
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    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:0fbed65da8c168be024b4ec28e9c5a860ce81c5bee69ebea24002407dc002be8 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
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    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:83583f8010629b65533926a11163565efd4d8b32433fe279218b60cdb13da13f , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
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Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

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CVE-2023-6004 (GCVE-0-2023-6004)

Vulnerability from nvd – Published: 2024-01-03 17:01 – Updated: 2025-11-07 00:19
VLAI?
Title
Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
Summary
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Date Public ?
2023-12-18 00:00
Credits
Red Hat would like to thank Norbert Pocs (libssh) and vinci@protonmail.ch for reporting this issue.
Show details on NVD website

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CVE-2023-6918 (GCVE-0-2023-6918)

Vulnerability from nvd – Published: 2023-12-18 23:27 – Updated: 2025-11-21 06:23
VLAI?
Title
Libssh: missing checks for return values for digests
Summary
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
CWE
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Date Public ?
2023-12-18 00:00
Credits
Red Hat would like to thank Jack Weinstein (<mike.code.bb.h@gmail.com>) for reporting this issue.
Show details on NVD website

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CVE-2026-0965 (GCVE-0-2026-0965)

Vulnerability from cvelistv5 – Published: 2026-03-26 20:06 – Updated: 2026-03-30 11:31
VLAI?
Title
Libssh: libssh: denial of service via improper configuration file handling
Summary
A flaw was found in libssh where it can attempt to open arbitrary files during configuration parsing. A local attacker can exploit this by providing a malicious configuration file or when the system is misconfigured. This vulnerability could lead to a Denial of Service (DoS) by causing the system to try and access dangerous files, such as block devices or large system files, which can disrupt normal operations.
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Date Public ?
2026-02-10 18:47
Credits
Red Hat would like to thank Jakub Jelen (libssh) and Kang Yang for reporting this issue.
Show details on NVD website

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CVE-2026-0967 (GCVE-0-2026-0967)

Vulnerability from cvelistv5 – Published: 2026-03-26 20:06 – Updated: 2026-04-02 17:33
VLAI?
Title
Libssh: libssh: denial of service via inefficient regular expression processing
Summary
A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts files, could craft specific hostnames that when processed by the `match_pattern()` function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in a Denial of Service (DoS) for the client.
CWE
  • CWE-1333 - Inefficient Regular Expression Complexity
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Date Public ?
2026-02-10 18:47
Credits
Red Hat would like to thank Jakub Jelen (libssh) and Kang Yang for reporting this issue.
Show details on NVD website

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CVE-2026-3731 (GCVE-0-2026-3731)

Vulnerability from cvelistv5 – Published: 2026-03-08 10:32 – Updated: 2026-03-11 19:50
VLAI?
Title
libssh SFTP Extension Name sftp.c sftp_extensions_get_data out-of-bounds
Summary
A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.
CWE
Assigner
Impacted products
Vendor Product Version
n/a libssh Affected: 0.11.0
Affected: 0.11.1
Affected: 0.11.2
Affected: 0.11.3
Unaffected: 0.11.4
Unaffected: 0.12.0
    cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
Show details on NVD website

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CVE-2025-5449 (GCVE-0-2025-5449)

Vulnerability from cvelistv5 – Published: 2025-07-25 17:19 – Updated: 2026-01-08 03:11
VLAI?
Title
Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service
Summary
A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Impacted products
Vendor Product Version
Affected: 0.11.0 , ≤ 0.11.1 (semver)
Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

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CVE-2025-8114 (GCVE-0-2025-8114)

Vulnerability from cvelistv5 – Published: 2025-07-24 14:14 – Updated: 2026-01-22 00:07
VLAI?
Title
Libssh: null pointer dereference in libssh kex session id calculation
Summary
A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
Impacted products
Vendor Product Version
Affected: 0 , < 0.11.3 (semver)
Date Public ?
2025-07-24 00:00
Credits
Red Hat would like to thank Jakub Jelen and Philippe Antoine for reporting this issue.
Show details on NVD website

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CVE-2025-5987 (GCVE-0-2025-5987)

Vulnerability from cvelistv5 – Published: 2025-07-07 14:24 – Updated: 2026-03-20 20:05
VLAI?
Title
Libssh: invalid return code for chacha20 poly1305 with openssl backend
Summary
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes.
CWE
  • CWE-393 - Return of Wrong Status Code
Assigner
References
https://access.redhat.com/errata/RHSA-2025:23483 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23484 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0427 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0428 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0430 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0431 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0702 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0978 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0980 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0985 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0996 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1539 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1541 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3415 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5987 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2376219 issue-trackingx_refsource_REDHAT
https://www.libssh.org/security/advisories/CVE-20…
Impacted products
Vendor Product Version
Affected: 0.10.0 , < 0.11.2 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-5.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:0.11.1-4.el10_0.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-17.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-17.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:0.10.4-9.el9_2.2 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:0.10.4-13.el9_4.2 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:0.10.4-15.el9_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.6::baseos
    cpe:/a:redhat:rhel_eus:9.6::appstream
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202602240113-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.13::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202601191325-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202601271320-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202601160124-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202601120213-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202601202224-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 9.6.20260123-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.20 Unaffected: 4.20.9.6.202601211057-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.20::el9
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Date Public ?
2025-04-26 00:00
Show details on NVD website

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CVE-2025-5351 (GCVE-0-2025-5351)

Vulnerability from cvelistv5 – Published: 2025-07-04 08:16 – Updated: 2026-01-08 03:07
VLAI?
Title
Libssh: double free vulnerability in libssh key export functions
Summary
A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additional failure occurs later in the function. This condition may result in heap corruption or application instability in low-memory scenarios, posing a risk to system reliability where key export operations are performed.
CWE
Assigner
References
Impacted products
Vendor Product Version
libssh libssh Affected: 0.10.0 , < 0.11.2 (semver)
Create a notification for this product.
Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

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CVE-2025-5372 (GCVE-0-2025-5372)

Vulnerability from cvelistv5 – Published: 2025-07-04 06:01 – Updated: 2026-03-10 11:48
VLAI?
Title
Libssh: incorrect return code handling in ssh_kdf() in libssh
Summary
A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.
CWE
Assigner
References
https://access.redhat.com/errata/RHSA-2025:21977 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23024 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5372 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2369388 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
libssh libssh Affected: 0 , < 0.11.2 (semver)
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-16.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-16.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:0.9.6-3.el9_0.2 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.0::baseos
    cpe:/a:redhat:rhel_e4s:9.0::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Date Public ?
2025-06-24 00:00
Show details on NVD website

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}

CVE-2025-5318 (GCVE-0-2025-5318)

Vulnerability from cvelistv5 – Published: 2025-06-24 14:10 – Updated: 2026-03-18 20:41
VLAI?
Title
Libssh: out-of-bounds read in sftp_handle()
Summary
A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.
CWE
Assigner
References
https://access.redhat.com/errata/RHSA-2025:18231 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:18275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:18286 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19012 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19098 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19101 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19295 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19300 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19313 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19400 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19401 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19470 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19472 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19807 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19864 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:20943 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21013 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21329 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:21829 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23078 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23079 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23080 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0326 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1541 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3461 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3462 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-5318 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2369131 issue-trackingx_refsource_REDHAT
https://www.libssh.org/security/advisories/CVE-20…
Impacted products
Vendor Product Version
Affected: 0 , < 0.11.2 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-4.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
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    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.11.1-4.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-15.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-15.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:0.9.0-4.el8_2.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.2::baseos
    cpe:/a:redhat:rhel_aus:8.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:0.9.4-2.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:0.9.4-2.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:0.9.6-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:0.9.6-13.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:0.9.6-13.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-15.el9_7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:0.9.6-3.el9_0.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
    cpe:/o:redhat:rhel_e4s:9.0::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:0.10.4-9.el9_2.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:0.10.4-13.el9_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.12 Unaffected: 412.86.202511191939-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.12::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202511261311-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.13::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202511122212-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202601271320-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202601071926-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202510282022-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202511041748-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 4.19.9.6.202510281054-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift Container Platform 4.20 Unaffected: 4.20.9.6.202510290321-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.20::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:bddcf7ab6d576572b6d60822c313ffebcd9869e4fde93e32ac327821f93cf32b , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:7856bdb7ae0d643a7b9362c164d4d4fe3c0c7186f5fff73a7ae9835b3df52e57 , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:dce6b0ea03379bf06664a5200af8b5f5ae3fad13cdce6d21873843f22554800b , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:fa844e16d06e871f1a5dbc2fd5b3882d28112eee8d6bee601d94c96295c5e24f , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat AI Inference Server 3.2 Unaffected: sha256:53007894763e03f609c35c727cb738db3c2130b19fa0e1069c24240e0870fb7a , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:b5ee1febe929df3dd67df124aeb65d1920af553e667c2929a6865784ce546dc3 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:f242d27114fa7546df4d7261cccbd8586e9e6ba2487f02e260d8880807b94f43 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:dcbae88d4be5b004ff7473bcfbbd57946c773f7e77fc99da0b5b023310f55ddd , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:8ad291327a8410feb2d34afeb0d0c7f847a1cffc838883b65d71427b3f97670a , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:0fbed65da8c168be024b4ec28e9c5a860ce81c5bee69ebea24002407dc002be8 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
    Red Hat Red Hat OpenShift distributed tracing 3.7.1 Unaffected: sha256:83583f8010629b65533926a11163565efd4d8b32433fe279218b60cdb13da13f , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.7::el8
Create a notification for this product.
Date Public ?
2025-06-24 00:00
Credits
Red Hat would like to thank Ronald Crane for reporting this issue.
Show details on NVD website

{
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CVE-2023-6004 (GCVE-0-2023-6004)

Vulnerability from cvelistv5 – Published: 2024-01-03 17:01 – Updated: 2025-11-07 00:19
VLAI?
Title
Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
Summary
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Date Public ?
2023-12-18 00:00
Credits
Red Hat would like to thank Norbert Pocs (libssh) and vinci@protonmail.ch for reporting this issue.
Show details on NVD website

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CVE-2023-6918 (GCVE-0-2023-6918)

Vulnerability from cvelistv5 – Published: 2023-12-18 23:27 – Updated: 2025-11-21 06:23
VLAI?
Title
Libssh: missing checks for return values for digests
Summary
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
CWE
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Date Public ?
2023-12-18 00:00
Credits
Red Hat would like to thank Jack Weinstein (<mike.code.bb.h@gmail.com>) for reporting this issue.
Show details on NVD website

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FKIE_CVE-2025-5449

Vulnerability from fkie_nvd - Published: 2025-07-25 18:15 - Updated: 2026-01-08 04:15
Summary
A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service.
Impacted products
Vendor Product Version
libssh libssh 0.11.0
libssh libssh 0.11.1

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FKIE_CVE-2025-8114

Vulnerability from fkie_nvd - Published: 2025-07-24 15:15 - Updated: 2025-11-17 21:15
Summary
A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.
Impacted products
Vendor Product Version
libssh libssh *

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FKIE_CVE-2025-5987

Vulnerability from fkie_nvd - Published: 2025-07-07 15:15 - Updated: 2026-03-20 21:17
Summary
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes.
Impacted products
Vendor Product Version
libssh libssh *

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      "value": "Se detect\u00f3 una falla en libssh al usar el cifrado ChaCha20 con la librer\u00eda OpenSSL. Si un atacante logra agotar el espacio del mont\u00f3n, este error no se detecta y puede provocar que libssh use un contexto de cifrado parcialmente inicializado. Esto se debe a que el c\u00f3digo de error de OpenSSL devolvi\u00f3 alias con el c\u00f3digo SSH_OK, lo que impide que libssh detecte correctamente el error devuelto por la librer\u00eda OpenSSL. Este problema puede provocar un comportamiento indefinido, como la confidencialidad e integridad de los datos comprometidas o fallos."
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  "id": "CVE-2025-5987",
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}

FKIE_CVE-2025-5351

Vulnerability from fkie_nvd - Published: 2025-07-04 09:15 - Updated: 2026-01-08 04:15
Summary
A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additional failure occurs later in the function. This condition may result in heap corruption or application instability in low-memory scenarios, posing a risk to system reliability where key export operations are performed.

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FKIE_CVE-2025-5372

Vulnerability from fkie_nvd - Published: 2025-07-04 06:15 - Updated: 2025-12-10 19:16
Summary
A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.

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FKIE_CVE-2025-5318

Vulnerability from fkie_nvd - Published: 2025-06-24 14:15 - Updated: 2026-02-27 17:16
Summary
A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:18231Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:18275Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:18286Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19012Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19098Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19101Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19295
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19300
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19313
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19400
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19401
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19470
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19472
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19807
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:19864
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:20943
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:21013
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:21329
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:21829
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:22275
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:23078
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:23079
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:23080
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:0326
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:1541
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:3461
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:3462
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2025-5318Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2369131Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://www.libssh.org/security/advisories/CVE-2025-5318.txtVendor Advisory

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      "value": "Se encontr\u00f3 una falla en la librer\u00eda libssh. Una lectura fuera de los l\u00edmites puede activarse en la funci\u00f3n sftp_handle debido a una comprobaci\u00f3n de comparaci\u00f3n incorrecta que permite que la funci\u00f3n acceda a memoria m\u00e1s all\u00e1 de la lista de manejadores v\u00e1lidos y devuelva un puntero no v\u00e1lido, que se utiliza en el procesamiento posterior. Esta vulnerabilidad permite que un atacante remoto autenticado lea regiones de memoria no deseadas, exponiendo informaci\u00f3n confidencial o afectando el comportamiento del servicio."
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    }
  ]
}

FKIE_CVE-2023-6004

Vulnerability from fkie_nvd - Published: 2024-01-03 17:15 - Updated: 2025-11-04 19:16
Summary
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
Impacted products

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FKIE_CVE-2023-6918

Vulnerability from fkie_nvd - Published: 2023-12-19 00:15 - Updated: 2025-02-15 01:15
Summary
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2504
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3233
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6918Mailing List, Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2254997Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://www.libssh.org/2023/12/18/libssh-0-10-6-and-libssh-0-9-8-security-releases/Release Notes
secalert@redhat.comhttps://www.libssh.org/security/advisories/CVE-2023-6918.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2504
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3233
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6918Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2254997Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20250214-0009/
af854a3a-2127-422b-91ae-364da2661108https://www.libssh.org/2023/12/18/libssh-0-10-6-and-libssh-0-9-8-security-releases/Release Notes
af854a3a-2127-422b-91ae-364da2661108https://www.libssh.org/security/advisories/CVE-2023-6918.txtVendor Advisory
Impacted products

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    },
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      "tags": [
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    },
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    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20250214-0009/"
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-252"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-252"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}