Common Weakness Enumeration

CWE-825

Allowed

Expired Pointer Dereference

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.

123 vulnerabilities reference this CWE, most recent first.

CVE-2026-104039 (GCVE-0-2026-104039)

Vulnerability from cvelistv5 – Published: 2026-10-06 01:00 – Updated: 2026-10-08 02:40
VLAI
Title
Sssd: sssd: denial of service via stale connection state reuse in pam gssapi responder
Summary
A flaw was found in SSSD. A local user can cause a denial of service (DoS) by disrupting system authentication services. When handling Generic Security Services Application Programming Interface (GSSAPI) authentication in the Pluggable Authentication Module (PAM) responder, cached connection state is freed upon completion without clearing the reference pointer. An attacker can exploit this by sending an additional request over the same connection, causing the service to access invalid memory and unexpectedly terminate.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 02:39 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 979 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-104039 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2478956 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-06 00:41
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-104034 (GCVE-0-2026-104034)

Vulnerability from cvelistv5 – Published: 2026-10-06 00:12 – Updated: 2026-10-06 14:47
VLAI
Title
Sssd: sssd: denial of service via use-after-free in kcm ticket renewal
Summary
A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager (KCM) responder during Kerberos ticket-granting ticket (TGT) renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos ticket can trigger this issue on systems configured with KCM renewal, causing the KCM responder service to crash and resulting in a Denial of Service (DoS).
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 14:42 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 979 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-104034 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2479178 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-05 23:29
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-102010 (GCVE-0-2026-102010)

Vulnerability from cvelistv5 – Published: 2026-09-28 18:54 – Updated: 2026-10-02 02:22
VLAI
Title
Gcc-toolset-15-gcc: gcc: gcc-toolset-16: gcc: denial of service via use-after-free in binary heap erase_if
Summary
A flaw was found in GCC. When an application calls the erase_if function on a binary heap priority queue in libstdc++, the library reallocates storage but fails to update its internal entry pointer. An attacker capable of triggering this operation can exploit this use-after-free condition, leading to a Denial of Service (DoS) via an application crash or potential memory corruption.
Severity
7 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 20:53 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 979 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:73642 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74569 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-102010 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2478395 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Hardened Images Unaffected: 13.5.0-0.2.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
Create a notification for this product.
Red Hat Red Hat Hardened Images Unaffected: 16.2.1-3.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
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 8     cpe:/o:redhat:enterprise_linux:8
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
2026-09-28 17:44
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-78123 (GCVE-0-2026-78123)

Vulnerability from cvelistv5 – Published: 2026-09-11 01:26 – Updated: 2026-09-15 15:25
VLAI
Summary
strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Dereference in PKCS#7 parsing in the openssl plugin.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:25 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2312 records in the last 180 days details
References
Impacted products
Vendor Product Version
strongSwan strongSwan Affected: 5.0.2 , < 6.1.0 (semver)
    cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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CVE-2026-77220 (GCVE-0-2026-77220)

Vulnerability from cvelistv5 – Published: 2026-08-21 20:54 – Updated: 2026-10-01 15:21 X_Open Source
VLAI
Title
PDFio < 1.6.5 Dangling Pointer via Dictionary String-Formatting
Summary
PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can trigger stack memory reuse across requests, causing cross-tenant document content corruption by silently overwriting one caller's dictionary string values with another caller's data.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 19:40 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5683 records in the last 180 days details
References
Impacted products
Vendor Product Version
michaelrsweet pdfio Affected: 0 , < 1.6.5 (semver)
    cpe:2.3:a:msweet:pdfio:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-19 00:00
Credits
Joshua Rogers (AISLE Research)
Show details on NVD website
To clipboard 

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CVE-2026-76891 (GCVE-0-2026-76891)

Vulnerability from cvelistv5 – Published: 2026-08-19 22:46 – Updated: 2026-09-17 18:47
VLAI
Title
Expired Pointer Dereference in Wireshark
Summary
Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:06 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
GitLab CNA under the mitre root
CNA scorecard C 75/100 over 288 records in the last 180 days details
References
Impacted products
Vendor Product Version
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.8 (semver)
Affected: 4.4.0 , < 4.4.18 (semver)
Create a notification for this product.
Credits
Claude and Ada Logics
Show details on NVD website
To clipboard 

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CVE-2026-76890 (GCVE-0-2026-76890)

Vulnerability from cvelistv5 – Published: 2026-08-19 22:46 – Updated: 2026-09-17 18:47
VLAI
Title
Expired Pointer Dereference in Wireshark
Summary
Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:06 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
GitLab CNA under the mitre root
CNA scorecard C 75/100 over 288 records in the last 180 days details
References
Impacted products
Vendor Product Version
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.8 (semver)
Affected: 4.4.0 , < 4.4.18 (semver)
Create a notification for this product.
Credits
Claude and Ada Logics
Show details on NVD website
To clipboard 

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CVE-2026-65970 (GCVE-0-2026-65970)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:41 – Updated: 2026-09-18 16:43
VLAI
Title
OpenImageIO: TIFF multithreaded scanline read use-after-scope in `TIFFInput::read_native_scanlines`
Summary
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.1.16.0, a crafted ZIP-compressed TIFF processed with TIFF multithreading enabled can make TIFFInput::read_native_scanlines() return through an error path while asynchronous strip-decompression work remains queued. Because task_set is declared before ok and compressed_scratch, those captured objects are destroyed before the task-set destructor waits, allowing worker tasks to use stale stack and heap storage, resulting in a use-after-scope crash and denial of service. The affected implementation is identified by src/tiff.imageio/tiffinput.cpp, TIFFInput::read_native_scanlines(), task_set, ok, compressed_scratch, and uncompress_one_strip(), which define the relevant source path, functions, state, and trigger. This issue is fixed in 3.1.16.0.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 16:41 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7553 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-58592 (GCVE-0-2026-58592)

Vulnerability from cvelistv5 – Published: 2026-07-01 19:27 – Updated: 2026-09-11 14:41
VLAI
Title
Ladybird - Web-Reachable Code Execution via Dangling FunctionType Reference in WebAssembly ESM Integration
Summary
Ladybird before commit 2f9dc7e contains a dangling-reference memory-safety flaw in its WebAssembly ESM-integration module loader. When a JavaScript function is imported into a WebAssembly module via the ESM path, WebAssemblyModule.cpp passes a stack-local Wasm::FunctionType by reference to create_host_function, whose host callback captures and later reads that reference; once the ESM link-loop iteration ends the FunctionType is destroyed, leaving the callback with a dangling reference (the normal instantiate path uses a long-lived reference and is not affected). Stale result-type data lets the host callback return an empty result vector for a statically non-empty result, so the destination register retains an attacker-influenced value that is then consumed by the WASM-GC array.set handler, which bit-casts the reference low bits to an ArrayInstance pointer after only a null check, yielding an arbitrary write. A web page can chain this into code execution in the WebContent process. Verified reachable from HTML content without any instrumentation or source modification.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
8.9 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-02 15:27 UTC
CWE
  • CWE-825 - Expired Pointer Dereference
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
  • CWE-787 - Out-of-bounds Write
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5683 records in the last 180 days details
References
Impacted products
Vendor Product Version
LadybirdBrowser Ladybird Affected: 0 , < 2f9dc7e9f35eed67dde3f9e8567d390dc4f0c665 (git)
Create a notification for this product.
Date Public
2026-07-01 00:00
Show details on NVD website
To clipboard 

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CVE-2026-57435 (GCVE-0-2026-57435)

Vulnerability from cvelistv5 – Published: 2026-06-25 14:32 – Updated: 2026-06-25 14:53
VLAI
Title
Nokogiri: Possible Use-After-Free when setting an attribute value via `Nokogiri::XML::Attr#value=` or `#content=`
Summary
Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri’s CRuby native extension could leave a Ruby wrapper pointing to freed memory when replacing the value of an XML attribute. If Ruby code had already accessed an attribute child node, Nokogiri::XML::Attr#value= could free the underlying native child node while the wrapper remained reachable through the document node cache. A later use of the freed child node or a Ruby GC mark could dereference an invalid pointer, causing an invalid read and a possible segfault. This vulnerability is fixed in 1.19.4.
Severity
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 14:53 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7553 records in the last 180 days details
References
Impacted products
Vendor Product Version
sparklemotion nokogiri Affected: < 1.19.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

Choose a language that provides automatic memory management.

Mitigation
Implementation

When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.

No CAPEC attack patterns related to this CWE.

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