CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CVE-2014-0777 (GCVE-0-2014-0777)
Vulnerability from cvelistv5
Published
2014-04-11 16:00
Modified
2025-09-24 21:14
Severity ?
CWE
Summary
The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.
References
Impacted products
Vendor Product Version
IOServer OPC Drivers Version: 0   <
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CVE-2019-3728 (GCVE-0-2019-3728)
Vulnerability from cvelistv5
Published
2019-09-30 21:48
Modified
2025-11-04 21:08
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Summary
RSA BSAFE Crypto-C Micro Edition versions from 4.0.0.0 before 4.0.5.4 and from 4.1.0 before 4.1.4, RSA BSAFE Micro Edition Suite versions from 4.0.0 before 4.0.13 and from 4.1.0 before 4.4 and RSA Crypto-C versions from 6.0.0 through 6.4.* are vulnerable to an out-of-bounds read vulnerability when processing DSA signature. A malicious remote user could potentially exploit this vulnerability to cause a crash in the library of the affected system.
References
Impacted products
Vendor Product Version
Dell RSA BSAFE Crypto-C Micro Edition Version: 4.0.0.0   ≤
Version: 4.1.0   ≤
Create a notification for this product.
   Dell RSA BSAFE Micro Edition Suite Version: 4.0.0   ≤
Version: 4.1.0   ≤
Create a notification for this product.
   Dell RSA Crypto-C Version: 6.0.0   ≤ 6.4.*
 Create a notification for this product.
Show details on NVD website

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CVE-2019-3859 (GCVE-0-2019-3859)
Vulnerability from cvelistv5
Published
2019-03-20 21:18
Modified
2025-12-18 11:43
Severity ?
5.0 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE
Summary
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
References
http://www.openwall.com/lists/oss-security/2019/03/18/3 mailing-list, x_refsource_MLIST
https://seclists.org/bugtraq/2019/Mar/25 mailing-list, x_refsource_BUGTRAQ
https://www.libssh2.org/CVE-2019-3859.html x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859 x_refsource_CONFIRM
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html x_refsource_MISC
http://www.securityfocus.com/bid/107485 vdb-entry, x_refsource_BID
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/ vendor-advisory, x_refsource_FEDORA
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html mailing-list, x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20190327-0005/ x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html vendor-advisory, x_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html mailing-list, x_refsource_MLIST
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html vendor-advisory, x_refsource_SUSE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ vendor-advisory, x_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4431 vendor-advisory, x_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Apr/25 mailing-list, x_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html vendor-advisory, x_refsource_SUSE
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html vendor-advisory, x_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html mailing-list, x_refsource_MLIST
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html x_refsource_MISC
Impacted products
Vendor Product Version
The libssh2 Project libssh2 Version: 1.8.1
 Create a notification for this product.
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CVE-2021-25487 (GCVE-0-2021-25487)
Vulnerability from cvelistv5
Published
2021-10-06 17:10
Modified
2025-10-21 23:25
Severity ?
7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE
Summary
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
References
Impacted products
Vendor Product Version
Samsung Mobile Samsung Mobile Devices Version: O(8.1), P(9.0), Q(10.0), R(11.0)   < SMR Oct-2021 Release 1
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Show details on NVD website

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CVE-2021-33643 (GCVE-0-2021-33643)
Vulnerability from cvelistv5
Published
2022-08-09 00:00
Modified
2025-11-03 20:33
Severity ?
CWE
Summary
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
References
Impacted products
Vendor Product Version
n/a libtar Version: <1.2.21
Show details on NVD website

To clipboard 

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CVE-2021-33644 (GCVE-0-2021-33644)
Vulnerability from cvelistv5
Published
2022-08-09 00:00
Modified
2025-11-03 20:33
Severity ?
CWE
Summary
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.
References
Impacted products
Vendor Product Version
n/a libtar Version: <1.2.21
Show details on NVD website

To clipboard 

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CVE-2021-36045 (GCVE-0-2021-36045)
Vulnerability from cvelistv5
Published
2021-09-01 14:32
Modified
2025-11-03 19:25
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE
Summary
XMP Toolkit SDK versions 2020.1 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
References
Impacted products
Vendor Product Version
Adobe XMP Toolkit Version: unspecified   <
Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2021-36053 (GCVE-0-2021-36053)
Vulnerability from cvelistv5
Published
2021-09-01 14:32
Modified
2025-11-03 19:26
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE
Summary
XMP Toolkit SDK versions 2020.1 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
References
Impacted products
Vendor Product Version
Adobe XMP Toolkit Version: unspecified   <
Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2021-40716 (GCVE-0-2021-40716)
Vulnerability from cvelistv5
Published
2021-09-29 15:41
Modified
2025-11-03 19:26
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
Summary
XMP Toolkit SDK versions 2021.07 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
References
Impacted products
Vendor Product Version
Adobe XMP Toolkit Version: unspecified   <
Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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CVE-2021-4156 (GCVE-0-2021-4156)
Vulnerability from cvelistv5
Published
2022-03-23 00:00
Modified
2025-12-11 12:06
Severity ?
CWE
Summary
An out-of-bounds read flaw was found in libsndfile's FLAC codec functionality. An attacker who is able to submit a specially crafted file (via tricking a user to open or otherwise) to an application linked with libsndfile and using the FLAC codec, could trigger an out-of-bounds read that would most likely cause a crash but could potentially leak memory information that could be used in further exploitation of other flaws.
References
Impacted products
Vendor Product Version
n/a libsndfile Version: libsndfile 1.1.0
Show details on NVD website

To clipboard 

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Mitigation ID: MIT-5

Phase: Implementation

Strategy: Input Validation

Description:

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation

Phase: Architecture and Design

Strategy: Language Selection

Description:

  • Use a language that provides appropriate memory abstractions.
CAPEC-540: Overread Buffers

An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

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