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().
4181 vulnerabilities reference this CWE, most recent first.
CVE-2023-47038 (GCVE-0-2023-47038)
Vulnerability from cvelistv5 – Published: 2023-12-18 13:43 – Updated: 2026-01-22 00:06
VLAI
EPSS
VEX
Title
Perl: write past buffer end via illegal user-defined unicode property
Summary
A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
14 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2228 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:3128 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-47038 | vdb-entryx_refsource_REDHAT |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug… | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2249523 | issue-trackingx_refsource_REDHAT |
| https://github.com/aquasecurity/trivy/discussions/8400 | |
| https://www.suse.com/security/cve/CVE-2023-47100.html | |
| https://ubuntu.com/security/CVE-2023-47100 | |
| https://github.com/Perl/perl5/commit/ff1f9f59360a… | |
| https://github.com/Perl/perl5/commit/7047915eef37… | |
| https://github.com/Perl/perl5/commit/12c313ce49b3… | |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
| https://perldoc.perl.org/perl5382delta#CVE-2023-4… | x_transferred |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
5.30.0 , < 5.34.3
(semver)
Affected: 5.36.0 , < 5.36.3 (semver) Affected: 5.38.0 , < 5.38.2 (semver) |
|||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020240314121426.9fe1d287 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
4:5.32.1-481.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2023-11-25 00:00
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CVE-2023-46256 (GCVE-0-2023-46256)
Vulnerability from cvelistv5 – Published: 2023-10-31 15:29 – Updated: 2024-09-05 20:15
VLAI
EPSS
VEX
Title
PX4-Autopilot Heap Buffer Overflow Bug
Summary
PX4-Autopilot provides PX4 flight control solution for drones. In versions 1.14.0-rc1 and prior, PX4-Autopilot has a heap buffer overflow vulnerability in the parser function due to the absence of `parserbuf_index` value checking. A malfunction of the sensor device can cause a heap buffer overflow with leading unexpected drone behavior. Malicious applications can exploit the vulnerability even if device sensor malfunction does not occur. Up to the maximum value of an `unsigned int`, bytes sized data can be written to the heap memory area. As of time of publication, no fixed version is available.
Severity
4.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/PX4/PX4-Autopilot/security/adv… | x_refsource_CONFIRM |
| https://github.com/PX4/PX4-Autopilot/blob/main/sr… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PX4 | PX4-Autopilot |
Affected:
<= 1.14.0-rc1
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CVE-2023-45591 (GCVE-0-2023-45591)
Vulnerability from cvelistv5 – Published: 2024-03-05 11:19 – Updated: 2024-08-23 20:21
VLAI
EPSS
VEX
Summary
A CWE-122 “Heap-based Buffer Overflow” vulnerability in the “logger_generic” function of the “Ax_rtu” binary allows a remote authenticated attacker to trigger a memory corruption in the context of the binary. This may result in a Denial-of-Service (DoS) condition, possibly in the execution of arbitrary code with the same privileges of the process (root), or have other unspecified impacts on the device. This issue affects: AiLux imx6 bundle below version imx6_1.0.7-2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AiLux | imx6 bundle |
Affected:
0 , < 1.0.7-2
(semver)
|
|
| ailux | imx6_bundle |
Affected:
0 , < 1.0.7-2
(semver)
cpe:2.3:a:ailux:imx6_bundle:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-45318 (GCVE-0-2023-45318)
Vulnerability from cvelistv5 – Published: 2024-02-20 14:45 – Updated: 2025-11-04 18:17
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Silicon Labs | Gecko Platform |
Affected:
Silicon Labs Gecko Platform 4.3.2.0
|
|
| Weston Embedded | uC-HTTP |
Affected:
git commit 80d4004
|
|
| silabs | gecko_platform |
Affected:
4.3.2.0
cpe:2.3:a:silabs:gecko_platform:*:*:*:*:*:*:*:* |
|
| weston-embedded | uc-http |
Affected:
git commit 80d4004
cpe:2.3:a:weston-embedded:uc-http:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-44442 (GCVE-0-2023-44442)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2025-11-04 19:25
VLAI
EPSS
VEX
Title
GIMP PSD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
GIMP PSD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. 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 PSD 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 arbitrary code in the context of the current process. Was ZDI-CAN-22094.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.gimp.org/news/2023/11/07/gimp-2-10-36… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… |
Impacted products
Date Public
2023-11-14 20:28
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CVE-2023-44441 (GCVE-0-2023-44441)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2025-11-04 19:25
VLAI
EPSS
VEX
Title
GIMP DDS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
GIMP DDS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. 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 DDS 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-22093.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.gimp.org/news/2023/11/07/gimp-2-10-36… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… |
Impacted products
Date Public
2023-11-14 20:28
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CVE-2023-44429 (GCVE-0-2023-44429)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:13 – Updated: 2024-08-02 20:07
VLAI
EPSS
VEX
Title
GStreamer AV1 Codec Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
GStreamer AV1 Codec Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the parsing of AV1 encoded video files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22226.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://gstreamer.freedesktop.org/security/sa-202… | vendor-advisory |
Impacted products
Date Public
2023-11-15 17:42
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CVE-2023-44428 (GCVE-0-2023-44428)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:13 – Updated: 2024-08-02 20:07
VLAI
EPSS
VEX
Title
MuseScore CAP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
MuseScore CAP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MuseScore. 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 CAP 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-20769.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2023-10-04 23:06
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CVE-2023-44418 (GCVE-0-2023-44418)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:13 – Updated: 2024-08-02 20:07
VLAI
EPSS
VEX
Title
D-Link DIR-X3260 Prog.cgi Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
D-Link DIR-X3260 Prog.cgi Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver. The issue results from the lack of proper validation of the length an user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20727.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2023-10-04 23:06
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CVE-2023-43787 (GCVE-0-2023-43787)
Vulnerability from cvelistv5 – Published: 2023-10-10 12:26 – Updated: 2025-11-06 22:59
VLAI
EPSS
VEX
Title
Libx11: integer overflow in xcreateimage() leading to a heap overflow
Summary
A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2145 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:2973 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-43787 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2242254 | issue-trackingx_refsource_REDHAT |
| http://www.openwall.com/lists/oss-security/2024/01/24/9 | x_transferred |
| https://jfrog.com/blog/xorg-libx11-vulns-cve-2023… | x_transferred |
| https://security.netapp.com/advisory/ntap-2023110… | x_transferred |
| https://lists.debian.org/debian-lts-announce/2023… |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 1.8.7
(semver)
|
|||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:1.6.8-8.el8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.7.0-9.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2023-10-04 00:00
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{
"name": "RHBZ#2242254",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242254"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-10-05T00:00:00.000Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2023-10-04T00:00:00.000Z",
"value": "Made public."
}
],
"title": "Libx11: integer overflow in xcreateimage() leading to a heap overflow",
"x_redhatCweChain": "CWE-122: Heap-based Buffer Overflow"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2023-43787",
"datePublished": "2023-10-10T12:26:08.102Z",
"dateReserved": "2023-09-22T09:52:31.108Z",
"dateUpdated": "2025-11-06T22:59:43.505Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.