Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
4095 vulnerabilities reference this CWE, most recent first.
GHSA-JV4P-GJWQ-9R2J
Vulnerability from github – Published: 2026-02-24 15:29 – Updated: 2026-02-24 15:29
VLAI
Summary
ImageMagick: Out of bounds read in multiple coders read raw pixel data
Details
A heap buffer over-read vulnerability exists in multiple raw image format handles. The vulnerability occurs when processing images with -extract dimensions larger than -size dimensions, causing out-of-bounds memory reads from a heap-allocated buffer.
Severity
5.1 (Medium)
{
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"aliases": [
"CVE-2026-25576"
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"CWE-122"
],
"github_reviewed": true,
"github_reviewed_at": "2026-02-24T15:29:46Z",
"nvd_published_at": "2026-02-24T01:16:13Z",
"severity": "MODERATE"
},
"details": "A heap buffer over-read vulnerability exists in multiple raw image format handles. The vulnerability occurs when processing images with -extract dimensions larger than -size dimensions, causing out-of-bounds memory reads from a heap-allocated buffer.",
"id": "GHSA-jv4p-gjwq-9r2j",
"modified": "2026-02-24T15:29:47Z",
"published": "2026-02-24T15:29:46Z",
"references": [
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"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jv4p-gjwq-9r2j"
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25576"
},
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/commit/077b42643212d7da8c1a4f6b2cd0067ebca8ec0f"
},
{
"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
},
{
"type": "WEB",
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"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick: Out of bounds read in multiple coders read raw pixel data"
}
GHSA-JV5P-M99X-6734
Vulnerability from github – Published: 2023-10-09 21:30 – Updated: 2023-10-09 21:30
VLAI
Details
A vulnerability was found in Delta Electronics WPLSoft up to 2.51 and classified as problematic. This issue affects some unknown processing of the component Modbus Data Packet Handler. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-241583. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
{
"affected": [],
"aliases": [
"CVE-2023-5460"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-10-09T19:15:10Z",
"severity": "LOW"
},
"details": "A vulnerability was found in Delta Electronics WPLSoft up to 2.51 and classified as problematic. This issue affects some unknown processing of the component Modbus Data Packet Handler. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-241583. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.",
"id": "GHSA-jv5p-m99x-6734",
"modified": "2023-10-09T21:30:27Z",
"published": "2023-10-09T21:30:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5460"
},
{
"type": "WEB",
"url": "https://drive.google.com/drive/folders/1oYxs_KxK4Ftd7OsexGk6upkxhJ3-m8M3"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.241583"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.241583"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-JVGR-9PH5-M8V4
Vulnerability from github – Published: 2026-04-14 18:50 – Updated: 2026-04-14 18:50
VLAI
Summary
ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float
Details
The JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats.
Severity
5.5 (Medium)
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"github_reviewed_at": "2026-04-14T18:50:40Z",
"nvd_published_at": "2026-04-13T22:16:29Z",
"severity": "MODERATE"
},
"details": "The JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats.",
"id": "GHSA-jvgr-9ph5-m8v4",
"modified": "2026-04-14T18:50:41Z",
"published": "2026-04-14T18:50:40Z",
"references": [
{
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"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4"
},
{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40183"
},
{
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"url": "https://github.com/ImageMagick/ImageMagick/commit/1c7767fc5f822c6edc104c1220d523e96fa20b5a"
},
{
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"url": "https://github.com/ImageMagick/ImageMagick"
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{
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"url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"
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"type": "CVSS_V3"
}
],
"summary": "ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float"
}
GHSA-JVP9-PHWP-P738
Vulnerability from github – Published: 2022-11-18 00:30 – Updated: 2025-04-29 18:33
VLAI
Summary
LIEF heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind
Details
A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF prior to version 0.12.3 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file.
Severity
{
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{
"package": {
"ecosystem": "PyPI",
"name": "lief"
},
"ranges": [
{
"events": [
{
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},
{
"fixed": "0.12.3"
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"type": "ECOSYSTEM"
}
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],
"aliases": [
"CVE-2022-43171"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": true,
"github_reviewed_at": "2024-11-21T22:14:08Z",
"nvd_published_at": "2022-11-17T23:15:00Z",
"severity": "HIGH"
},
"details": "A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF prior to version 0.12.3 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file.",
"id": "GHSA-jvp9-phwp-p738",
"modified": "2025-04-29T18:33:53Z",
"published": "2022-11-18T00:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43171"
},
{
"type": "WEB",
"url": "https://github.com/lief-project/LIEF/issues/782"
},
{
"type": "PACKAGE",
"url": "https://github.com/lief-project/LIEF"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lief/PYSEC-2022-43140.yaml"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "LIEF heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind"
}
GHSA-JW5R-9G5F-VWJC
Vulnerability from github – Published: 2025-09-23 21:30 – Updated: 2025-09-24 21:30
VLAI
Details
Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2025-57637"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-09-23T19:15:41Z",
"severity": "HIGH"
},
"details": "Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.",
"id": "GHSA-jw5r-9g5f-vwjc",
"modified": "2025-09-24T21:30:36Z",
"published": "2025-09-23T21:30:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-57637"
},
{
"type": "WEB",
"url": "https://github.com/glkfc/IoT-Vulnerability/blob/main/D-Link/Dlink_2.md"
},
{
"type": "WEB",
"url": "https://www.dlink.com/en/security-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-JWC4-5HFQ-4HFM
Vulnerability from github – Published: 2025-11-12 21:31 – Updated: 2025-11-13 18:31
VLAI
Details
A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.
Severity
4.0 (Medium)
{
"affected": [],
"aliases": [
"CVE-2025-63927"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-11-12T19:15:37Z",
"severity": "MODERATE"
},
"details": "A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.",
"id": "GHSA-jwc4-5hfq-4hfm",
"modified": "2025-11-13T18:31:03Z",
"published": "2025-11-12T21:31:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-63927"
},
{
"type": "WEB",
"url": "https://github.com/airpig2011/IEC104/issues/20"
},
{
"type": "WEB",
"url": "https://songsong.host/mybugs/CVE-2025-63927.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-JWJ2-JP2F-QHFP
Vulnerability from github – Published: 2024-05-03 03:30 – Updated: 2024-05-03 03:30
VLAI
Details
Ashlar-Vellum Cobalt CO File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of CO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17910.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2023-34299"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-03T02:15:30Z",
"severity": "HIGH"
},
"details": "Ashlar-Vellum Cobalt CO File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of CO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17910.",
"id": "GHSA-jwj2-jp2f-qhfp",
"modified": "2024-05-03T03:30:52Z",
"published": "2024-05-03T03:30:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-34299"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-23-859"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-JWM2-XVRJ-2MH2
Vulnerability from github – Published: 2026-04-20 06:31 – Updated: 2026-04-20 06:31
VLAI
Details
SD-330AC and AMC Manager provided by silex technology, Inc. contain a heap-based buffer overflow vulnerability in processing the redirect URLs. Arbitrary code may be executed on the device.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-32956"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-20T04:16:34Z",
"severity": "CRITICAL"
},
"details": "SD-330AC and AMC Manager provided by silex technology, Inc. contain a heap-based buffer overflow vulnerability in processing the redirect URLs. Arbitrary code may be executed on the device.",
"id": "GHSA-jwm2-xvrj-2mh2",
"modified": "2026-04-20T06:31:26Z",
"published": "2026-04-20T06:31:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32956"
},
{
"type": "WEB",
"url": "https://jvn.jp/en/vu/JVNVU94271449"
},
{
"type": "WEB",
"url": "https://www.silex.jp/support/security-advisories/2026-001"
},
{
"type": "WEB",
"url": "https://www.silex.jp/support/security-advisories/en/2026-001"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-JWW9-VWPC-6QMF
Vulnerability from github – Published: 2024-09-10 18:30 – Updated: 2024-09-10 18:30
VLAI
Details
Kernel Streaming Service Driver Elevation of Privilege Vulnerability
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2024-38238"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-10T17:15:27Z",
"severity": "HIGH"
},
"details": "Kernel Streaming Service Driver Elevation of Privilege Vulnerability",
"id": "GHSA-jww9-vwpc-6qmf",
"modified": "2024-09-10T18:30:46Z",
"published": "2024-09-10T18:30:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38238"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38238"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-JX87-6RWR-MG3W
Vulnerability from github – Published: 2025-08-12 18:31 – Updated: 2025-08-12 18:31
VLAI
Details
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
Severity
8.0 (High)
{
"affected": [],
"aliases": [
"CVE-2025-50160"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-12T18:15:33Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.",
"id": "GHSA-jx87-6rwr-mg3w",
"modified": "2025-08-12T18:31:30Z",
"published": "2025-08-12T18:31:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50160"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50160"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.