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().
3657 vulnerabilities reference this CWE, most recent first.
CVE-2025-71436 (GCVE-0-2025-71436)
Vulnerability from cvelistv5 – Published: 2026-10-20 15:40 – Updated: 2026-10-20 16:41
VLAI
EPSS
VEX
Title
Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag
Summary
Raptor RDF Syntax Library from 2.0.15 through 2.0.16 contains a heap-based buffer overflow vulnerability in raptor_new_term_from_counted_literal() caused by truncating language tag length to an unsigned char. Attackers can supply Turtle, TriG, N-Triples or N-Quads documents with language tags of 256 bytes or longer to corrupt heap memory, crash applications, and possibly execute code.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 16:41 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/dajobe/raptor/issues/83 | issue-tracking |
| https://github.com/dajobe/raptor/commit/361a803a7… | patch |
| https://github.com/dajobe/raptor/blob/raptor2_2_0… | technical-description |
| https://github.com/dajobe/raptor/blob/raptor2_2_0… | technical-description |
| https://www.vulncheck.com/advisories/raptor-rdf-s… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| librdf | Raptor RDF Syntax Library |
Affected:
2.0.15 , ≤ 2.0.16
(semver)
cpe:2.3:a:librdf:raptor_rdf_syntax_library:*:*:*:*:*:*:*:* |
Date Public
2025-10-18 08:56
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CVE-2025-69247 (GCVE-0-2025-69247)
Vulnerability from cvelistv5 – Published: 2026-02-23 21:38 – Updated: 2026-02-25 15:30
VLAI
EPSS
VEX
Title
free5GC has Heap Buffer Overflow in UPF Leading to Denial of Service
Summary
free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially crafted PFCP Session Modification Request with an invalid SDF Filter length field. This causes a heap buffer overflow, resulting in complete service disruption for all connected UEs and potential cascading failures affecting the SMF. All deployments of free5GC using the UPF component may be affected. Version 1.2.8 of go-upf contains a fix.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 15:30 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/free5gc/free5gc/security/advis… | x_refsource_CONFIRM |
| https://github.com/free5gc/free5gc/issues/746 | x_refsource_MISC |
| https://github.com/free5gc/go-upf/pull/85 | x_refsource_MISC |
| https://github.com/free5gc/go-upf/commit/b798fe5e… | x_refsource_MISC |
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CVE-2025-68469 (GCVE-0-2025-68469)
Vulnerability from cvelistv5 – Published: 2025-12-18 15:36 – Updated: 2025-12-18 15:52
VLAI
EPSS
VEX
Title
ImageMagick vulnerable to heap-buffer-overflow
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.1-14, ImageMagick crashes when processing a crafted TIFF file. Version 7.1.1-14 fixes the issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-18 15:52 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.1-14
|
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CVE-2025-67896 (GCVE-0-2025-67896)
Vulnerability from cvelistv5 – Published: 2025-12-14 04:00 – Updated: 2025-12-18 23:04
VLAI
EPSS
VEX
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-15 21:27 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
mitre
CNA
References
Impacted products
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CVE-2025-67873 (GCVE-0-2025-67873)
Vulnerability from cvelistv5 – Published: 2025-12-17 21:12 – Updated: 2025-12-18 15:09
VLAI
EPSS
VEX
Title
Capstone doesn't check Skipdata length, leading to cs_insn.bytes heap buffer overflow
Summary
Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a user-provided skipdata callback can make cs_disasm/cs_disasm_iter memcpy more than 24 bytes into cs_insn.bytes, causing a heap buffer overflow in the disassembly path. Commit cbef767ab33b82166d263895f24084b75b316df3 fixes the issue.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-18 14:55 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/capstone-engine/capstone/secur… | x_refsource_CONFIRM |
| https://github.com/capstone-engine/capstone/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| capstone-engine | capstone |
Affected:
<= 6.0.0-Alpha5
|
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CVE-2025-66217 (GCVE-0-2025-66217)
Vulnerability from cvelistv5 – Published: 2025-11-29 01:57 – Updated: 2025-12-01 14:11
VLAI
EPSS
VEX
Title
AIS-catcher Integer Underflow in MQTT Packet Parsing leading to Heap Buffer Overflow
Summary
AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sending a malformed MQTT packet with a manipulated Topic Length field. This leads to an immediate Denial of Service (DoS) and, when used as a library, severe Memory Corruption that can be leveraged for Remote Code Execution (RCE). This issue has been patched in version 0.64.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 13:52 UTC
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/jvde-github/AIS-catcher/securi… | x_refsource_CONFIRM |
| https://github.com/jvde-github/AIS-catcher/commit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jvde-github | AIS-catcher |
Affected:
< 0.64
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CVE-2025-65085 (GCVE-0-2025-65085)
Vulnerability from cvelistv5 – Published: 2025-11-25 17:49 – Updated: 2026-05-12 20:19
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share
Summary
A Heap-based Buffer Overflow vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions 12.6.1204.216 and prior that could allow an attacker to disclose information or execute arbitrary code.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-25 20:22 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
icscert
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Ashlar-Vellum | Cobalt |
Affected:
0 , ≤ 12.6.1204.216
(custom)
|
|
| Ashlar-Vellum | Xenon |
Affected:
0 , ≤ 12.6.1204.216
(custom)
|
|
| Ashlar-Vellum | Argon |
Affected:
0 , ≤ 12.6.1204.216
(custom)
|
|
| Ashlar-Vellum | Lithium |
Affected:
0 , ≤ 12.6.1204.216
(custom)
|
|
| Ashlar-Vellum | Cobalt Share |
Affected:
0 , ≤ 12.6.1204.216
(custom)
|
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CVE-2025-65079 (GCVE-0-2025-65079)
Vulnerability from cvelistv5 – Published: 2026-02-03 20:23 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Title
Heap-based buffer overflow vulnerability in Postscript interpreter
Summary
A heap-based buffer overflow vulnerability has been identified in the Postscript interpreter in various Lexmark devices. This vulnerability can be leveraged by an attacker to execute arbitrary code as an unprivileged user.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-04 04:56 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
Lexmark
CNA
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lexmark | MXTCT, MSNGM, MSTGM, MXNGM, MXTGM, CSNGV, CSTGV, CXTGV, MSNGW, MSTGW, MXTGW, CSTLS, CXTLS, MXTLS, CSTMM, CXTMM, CSTPC, CXTPC, MXTPM, MSNSN, MSTSN, MXTSN, CSNZJ, CSTZJ, CXNZJ, CXTZJ |
Affected:
0 , < 250.210
(custom)
|
|
| Lexmark | CSTAT, CXTAT, MSLBD, MXLBD, CSLBL, CXLBL, CSLBN, CXLBN, CSTMH, CXTMH, CSTPP, CXTPP, MSLSG, MXLSG |
Affected:
0 , < 230.506
(custom)
|
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CVE-2025-65018 (GCVE-0-2025-65018)
Vulnerability from cvelistv5 – Published: 2025-11-24 23:50 – Updated: 2025-11-25 19:29
VLAI
EPSS
VEX
Title
LIBPNG is vulnerable to a heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read`
Summary
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-25 19:29 UTC
Assigner
GitHub_M
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/pnggroup/libpng/security/advis… | x_refsource_CONFIRM |
| https://github.com/pnggroup/libpng/issues/755 | x_refsource_MISC |
| https://github.com/pnggroup/libpng/pull/757 | x_refsource_MISC |
| https://github.com/pnggroup/libpng/commit/16b5e38… | x_refsource_MISC |
| https://github.com/pnggroup/libpng/commit/218612d… | x_refsource_MISC |
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CVE-2025-64784 (GCVE-0-2025-64784)
Vulnerability from cvelistv5 – Published: 2025-12-09 17:41 – Updated: 2025-12-09 19:02
VLAI
EPSS
VEX
Title
DNG SDK | Heap-based Buffer Overflow (CWE-122)
Summary
DNG SDK versions 1.7.0 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure or application denial of service. An attacker could leverage this vulnerability to disclose sensitive memory information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-09 19:02 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
adobe
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/dng-sdk… | vendor-advisory |
Date Public
2025-12-09 17:00
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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.