Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
15535 vulnerabilities reference this CWE, most recent first.
GHSA-74QM-4V7R-JW2F
Vulnerability from github – Published: 2024-09-17 21:30 – Updated: 2024-09-25 18:23
VLAI
Summary
Heap-based Buffer Overflow in MicroPython
Details
A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.
Severity
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "micropython-copy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "3.3.3.post3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "PyPI",
"name": "micropython-io"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "0.1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "PyPI",
"name": "micropython-os-path"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "0.1.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "PyPI",
"name": "micropython-string"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "0.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-8946"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": true,
"github_reviewed_at": "2024-09-25T18:23:41Z",
"nvd_published_at": "2024-09-17T19:15:29Z",
"severity": "MODERATE"
},
"details": "A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.",
"id": "GHSA-74qm-4v7r-jw2f",
"modified": "2024-09-25T18:23:41Z",
"published": "2024-09-17T21:30:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8946"
},
{
"type": "WEB",
"url": "https://github.com/micropython/micropython/issues/13006"
},
{
"type": "WEB",
"url": "https://github.com/micropython/micropython/issues/13006#issuecomment-1820309455"
},
{
"type": "WEB",
"url": "https://github.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/micropython-copy/PYSEC-2024-91.yaml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/micropython-io/PYSEC-2024-93.yaml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/micropython-os-path/PYSEC-2024-95.yaml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/micropython-string/PYSEC-2024-96.yaml"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.277764"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.277764"
},
{
"type": "WEB",
"url": "https://vuldb.com/?submit.409312"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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"
}
],
"summary": "Heap-based Buffer Overflow in MicroPython"
}
GHSA-74RR-C455-62VQ
Vulnerability from github – Published: 2024-11-19 18:31 – Updated: 2024-11-22 21:32
VLAI
Details
In ResStringPool::setTo of ResourceTypes.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2018-9338"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-19T18:15:18Z",
"severity": "HIGH"
},
"details": "In ResStringPool::setTo of ResourceTypes.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.",
"id": "GHSA-74rr-c455-62vq",
"modified": "2024-11-22T21:32:12Z",
"published": "2024-11-19T18:31:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-9338"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2018-06-01"
}
],
"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-74RW-RPRX-HP5H
Vulnerability from github – Published: 2022-12-15 21:30 – Updated: 2022-12-20 15:30
VLAI
Details
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, macOS Big Sur 11.6.8. An app may be able to execute arbitrary code with kernel privileges.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2022-32860"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-15T19:15:00Z",
"severity": "HIGH"
},
"details": "An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, macOS Big Sur 11.6.8. An app may be able to execute arbitrary code with kernel privileges.",
"id": "GHSA-74rw-rprx-hp5h",
"modified": "2022-12-20T15:30:37Z",
"published": "2022-12-15T21:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-32860"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT213344"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT213345"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT213346"
}
],
"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-74V5-9P2J-JPMH
Vulnerability from github – Published: 2022-11-10 12:01 – Updated: 2022-11-10 19:01
VLAI
Details
Heap buffer overflow in WebSQL in Google Chrome prior to 106.0.5249.119 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Severity
8.8 (High)
{
"affected": [],
"aliases": [
"CVE-2022-3446"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-11-09T19:15:00Z",
"severity": "HIGH"
},
"details": "Heap buffer overflow in WebSQL in Google Chrome prior to 106.0.5249.119 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
"id": "GHSA-74v5-9p2j-jpmh",
"modified": "2022-11-10T19:01:09Z",
"published": "2022-11-10T12:01:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3446"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2022/10/stable-channel-update-for-desktop_11.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1368076"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202305-10"
}
],
"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-74VC-G7V2-4982
Vulnerability from github – Published: 2022-12-05 15:30 – Updated: 2022-12-06 18:30
VLAI
Details
In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07310780; Issue ID: ALPS07310780.
Severity
6.7 (Medium)
{
"affected": [],
"aliases": [
"CVE-2022-32628"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-05T15:15:00Z",
"severity": "MODERATE"
},
"details": "In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07310780; Issue ID: ALPS07310780.",
"id": "GHSA-74vc-g7v2-4982",
"modified": "2022-12-06T18:30:18Z",
"published": "2022-12-05T15:30:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-32628"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/December-2022"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-74WW-2FQF-6XPF
Vulnerability from github – Published: 2026-03-10 21:32 – Updated: 2026-03-10 21:32
VLAI
Details
Substance3D - Stager versions 3.1.7 and earlier are affected by an out-of-bounds write 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-2026-27275"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-10T19:17:19Z",
"severity": "HIGH"
},
"details": "Substance3D - Stager versions 3.1.7 and earlier are affected by an out-of-bounds write 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-74ww-2fqf-6xpf",
"modified": "2026-03-10T21:32:16Z",
"published": "2026-03-10T21:32:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27275"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/substance3d_stager/apsb26-29.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-7526-6XHC-XH2W
Vulnerability from github – Published: 2022-12-22 21:30 – Updated: 2025-04-15 15:30
VLAI
Details
During startup, a graphics driver with an unexpected name could lead to a stack-buffer overflow causing a potentially exploitable crash.
This issue only affects Firefox for Android. Other operating systems are not affected.. This vulnerability affects Firefox < 105.
Severity
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2022-40961"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-22T20:15:00Z",
"severity": "MODERATE"
},
"details": "During startup, a graphics driver with an unexpected name could lead to a stack-buffer overflow causing a potentially exploitable crash.\u003cbr\u003e*This issue only affects Firefox for Android. Other operating systems are not affected.*. This vulnerability affects Firefox \u003c 105.",
"id": "GHSA-7526-6xhc-xh2w",
"modified": "2025-04-15T15:30:35Z",
"published": "2022-12-22T21:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40961"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1784588"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2022-40"
}
],
"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"
}
]
}
GHSA-752F-W388-GQMF
Vulnerability from github – Published: 2024-01-09 12:30 – Updated: 2024-01-09 12:30
VLAI
Details
A vulnerability has been identified in Solid Edge SE2023 (All versions < V223.0 Update 10). The affected applications contain a stack overflow vulnerability while parsing specially crafted PAR files. This could allow an attacker to execute code in the context of the current process.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2023-49129"
],
"database_specific": {
"cwe_ids": [
"CWE-121",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-09T10:15:18Z",
"severity": "HIGH"
},
"details": "A vulnerability has been identified in Solid Edge SE2023 (All versions \u003c V223.0 Update 10). The affected applications contain a stack overflow vulnerability while parsing specially crafted PAR files. This could allow an attacker to execute code in the context of the current process.",
"id": "GHSA-752f-w388-gqmf",
"modified": "2024-01-09T12:30:35Z",
"published": "2024-01-09T12:30:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49129"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-589891.pdf"
}
],
"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-752R-GGCW-75G9
Vulnerability from github – Published: 2022-05-24 19:05 – Updated: 2023-10-03 15:30
VLAI
Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. 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 DWF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12715.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2021-31487"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-06-15T19:15:00Z",
"severity": "HIGH"
},
"details": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. 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 DWF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12715.",
"id": "GHSA-752r-ggcw-75g9",
"modified": "2023-10-03T15:30:26Z",
"published": "2022-05-24T19:05:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31487"
},
{
"type": "WEB",
"url": "https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1\u0026opec=1\u0026order=1\u0026trc=35\u0026sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c"
},
{
"type": "WEB",
"url": "https://www.opentext.com/products/brava"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-627"
}
],
"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-753G-8CWC-62H4
Vulnerability from github – Published: 2022-05-24 17:18 – Updated: 2026-08-19 18:31
VLAI
Details
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1035, CVE-2020-1058, CVE-2020-1060.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2020-1093"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-05-21T23:15:00Z",
"severity": "HIGH"
},
"details": "A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka \u0027VBScript Remote Code Execution Vulnerability\u0027. This CVE ID is unique from CVE-2020-1035, CVE-2020-1058, CVE-2020-1060.",
"id": "GHSA-753g-8cwc-62h4",
"modified": "2026-08-19T18:31:20Z",
"published": "2022-05-24T17:18:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1093"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1093"
},
{
"type": "WEB",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1093"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
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-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
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 MIT-12
Operation
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-13
Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
No CAPEC attack patterns related to this CWE.