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().
5249 vulnerabilities reference this CWE, most recent first.
GHSA-PG5G-XQV8-WQM8
Vulnerability from github – Published: 2022-05-24 17:01 – Updated: 2023-02-02 18:30
VLAI
{
"affected": [],
"aliases": [
"CVE-2019-14815"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-11-25T11:15:00Z",
"severity": "HIGH"
},
"details": "kernel is vulnerable to a None",
"id": "GHSA-pg5g-xqv8-wqm8",
"modified": "2023-02-02T18:30:56Z",
"published": "2022-05-24T17:01:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-14815"
},
{
"type": "WEB",
"url": "https://github.com/torvalds/linux/commit/7caac62ed598a196d6ddf8d9c121e12e082cac3a"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0174"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0328"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0339"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:1016"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:1070"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/cve-2019-14815"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1744137"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14815"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"
},
{
"type": "WEB",
"url": "https://lore.kernel.org/linux-wireless/20190828020751.13625-1-huangwenabc%40gmail.com"
},
{
"type": "WEB",
"url": "https://lore.kernel.org/linux-wireless/20190828020751.13625-1-huangwenabc@gmail.com"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20200103-0001"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2019/08/28/1"
}
],
"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-PGCW-848J-QFGP
Vulnerability from github – Published: 2026-09-08 18:33 – Updated: 2026-09-08 18:33
VLAI
Details
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-73011"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:20:30Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-pgcw-848j-qfgp",
"modified": "2026-09-08T18:33:17Z",
"published": "2026-09-08T18:33:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73011"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73011"
}
],
"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-PGMR-P79V-F7MC
Vulnerability from github – Published: 2024-11-12 21:30 – Updated: 2024-11-12 21:30
VLAI
Details
A heap-based buffer overflow in Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14 allows attacker to escalation of privilege via specially crafted http requests
Severity
5.6 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-33505"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-12T19:15:09Z",
"severity": "MODERATE"
},
"details": "A heap-based buffer overflow in Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14 allows attacker to escalation of privilege via specially crafted http requests",
"id": "GHSA-pgmr-p79v-f7mc",
"modified": "2024-11-12T21:30:52Z",
"published": "2024-11-12T21:30:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-33505"
},
{
"type": "WEB",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-24-125"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-PGV5-RJWJ-WRCC
Vulnerability from github – Published: 2023-03-28 21:30 – Updated: 2023-03-28 21:30
VLAI
Details
Adobe Dimension versions 3.4.7 (and earlier) is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2023-25882"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-28T20:15:00Z",
"severity": "HIGH"
},
"details": "Adobe Dimension versions 3.4.7 (and earlier) is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
"id": "GHSA-pgv5-rjwj-wrcc",
"modified": "2023-03-28T21:30:19Z",
"published": "2023-03-28T21:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25882"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/dimension/apsb23-20.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PGVW-9C6V-JPF7
Vulnerability from github – Published: 2026-08-11 18:31 – Updated: 2026-08-11 18:31
VLAI
Details
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-65787"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-11T17:18:58Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-pgvw-9c6v-jpf7",
"modified": "2026-08-11T18:31:39Z",
"published": "2026-08-11T18:31:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65787"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65787"
}
],
"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-PH7J-5QGH-2M7F
Vulnerability from github – Published: 2025-08-12 15:31 – Updated: 2025-08-12 15:31
VLAI
Details
A heap-based buffer overflow in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2025-5462"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-12T15:15:30Z",
"severity": "HIGH"
},
"details": "A heap-based buffer overflow in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service.",
"id": "GHSA-ph7j-5qgh-2m7f",
"modified": "2025-08-12T15:31:20Z",
"published": "2025-08-12T15:31:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5462"
},
{
"type": "WEB",
"url": "https://forums.ivanti.com/s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en_US"
}
],
"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-PH84-4HMC-HHQM
Vulnerability from github – Published: 2022-05-24 19:19 – Updated: 2022-05-24 19:19
VLAI
Details
libmysofa is vulnerable to Heap-based Buffer Overflow
{
"affected": [],
"aliases": [
"CVE-2021-3756"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-10-29T16:15:00Z",
"severity": "CRITICAL"
},
"details": "libmysofa is vulnerable to Heap-based Buffer Overflow",
"id": "GHSA-ph84-4hmc-hhqm",
"modified": "2022-05-24T19:19:13Z",
"published": "2022-05-24T19:19:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3756"
},
{
"type": "WEB",
"url": "https://github.com/hoene/libmysofa/commit/890400ebd092c574707d0c132124f8ff047e20e1"
},
{
"type": "WEB",
"url": "https://huntr.dev/bounties/7ca8d9ea-e2a6-4294-af28-70260bb53bc1"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PGQ45S4RH7MC42NHTAGOIHYR4C5IRTMZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WGY7TAZX2M4NYXXGNHIBBKKN5XMSMKQ4"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-PHM2-R38H-574F
Vulnerability from github – Published: 2026-09-08 18:33 – Updated: 2026-09-08 18:33
VLAI
Details
Heap-based buffer overflow in Windows Volume Shadow Copy allows an unauthorized attacker to elevate privileges with a physical attack.
Severity
6.8 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-72985"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:20:25Z",
"severity": "MODERATE"
},
"details": "Heap-based buffer overflow in Windows Volume Shadow Copy allows an unauthorized attacker to elevate privileges with a physical attack.",
"id": "GHSA-phm2-r38h-574f",
"modified": "2026-09-08T18:33:14Z",
"published": "2026-09-08T18:33:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72985"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72985"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PHM8-G358-PR28
Vulnerability from github – Published: 2026-09-08 18:32 – Updated: 2026-09-08 18:32
VLAI
Details
Heap-based buffer overflow in Windows URL Moniker allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-69434"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:19:07Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows URL Moniker allows an unauthorized attacker to execute code over a network.",
"id": "GHSA-phm8-g358-pr28",
"modified": "2026-09-08T18:32:35Z",
"published": "2026-09-08T18:32:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-69434"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69434"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PHQR-RC26-GP39
Vulnerability from github – Published: 2026-09-04 18:31 – Updated: 2026-09-04 18:31
VLAI
Details
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.
Severity
6.3 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-18341"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-191"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-04T17:16:56Z",
"severity": "MODERATE"
},
"details": "IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.",
"id": "GHSA-phqr-rc26-gp39",
"modified": "2026-09-04T18:31:31Z",
"published": "2026-09-04T18:31:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18341"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7286094"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"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.