CWE-122
Heap-based Buffer Overflow
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().
CVE-2025-65085 (GCVE-0-2025-65085)
Vulnerability from cvelistv5 – Published: 2025-11-25 17:49 – Updated: 2026-05-12 20:19
VLAI
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 (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
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)
|
Credits
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CVE-2025-6516 (GCVE-0-2025-6516)
Vulnerability from cvelistv5 – Published: 2025-06-23 17:00 – Updated: 2025-06-23 17:40
VLAI
Title
HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow
Summary
A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.313636 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.313636 | signaturepermissions-required |
| https://vuldb.com/?submit.592589 | third-party-advisory |
| https://github.com/HDFGroup/hdf5/issues/5581 | issue-tracking |
| https://github.com/user-attachments/files/2062685… | exploit |
Impacted products
Credits
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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
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 (v2.0.3)
Assigner
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-2025-6660 (GCVE-0-2025-6660)
Vulnerability from cvelistv5 – Published: 2025-06-25 21:40 – Updated: 2025-06-26 14:12
VLAI
Title
PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 GIF 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-26763.
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
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.pdf-xchange.com/support/security-bull… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PDF-XChange | PDF-XChange Editor |
Affected:
10.5.2.395
|
Date Public
2025-06-25 21:36
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CVE-2025-6750 (GCVE-0-2025-6750)
Vulnerability from cvelistv5 – Published: 2025-06-27 02:31 – Updated: 2025-06-27 13:37
VLAI
Title
HDF5 H5Omtime.c H5O__mtime_new_encode heap-based overflow
Summary
A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5O__mtime_new_encode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.314048 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.314048 | signaturepermissions-required |
| https://vuldb.com/?submit.601017 | third-party-advisory |
| https://github.com/HDFGroup/hdf5/issues/5549 | issue-tracking |
| https://github.com/user-attachments/files/2043844… | exploit |
Credits
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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
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 (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
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-2025-67896 (GCVE-0-2025-67896)
Vulnerability from cvelistv5 – Published: 2025-12-14 04:00 – Updated: 2025-12-18 23:04
VLAI
Summary
Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
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CVE-2025-6816 (GCVE-0-2025-6816)
Vulnerability from cvelistv5 – Published: 2025-06-28 08:00 – Updated: 2025-06-30 16:07
VLAI
Title
HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow
Summary
A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.314254 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.314254 | signaturepermissions-required |
| https://vuldb.com/?submit.602291 | third-party-advisory |
| https://github.com/HDFGroup/hdf5/issues/5571 | issue-tracking |
| https://github.com/user-attachments/files/2062335… | exploit |
Credits
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CVE-2025-6818 (GCVE-0-2025-6818)
Vulnerability from cvelistv5 – Published: 2025-06-28 15:31 – Updated: 2025-06-30 16:05
VLAI
Title
HDF5 H5Ochunk.c H5O__chunk_protect heap-based overflow
Summary
A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.314256 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.314256 | signaturepermissions-required |
| https://vuldb.com/?submit.602326 | third-party-advisory |
| https://github.com/HDFGroup/hdf5/issues/5573 | issue-tracking |
| https://github.com/user-attachments/files/2062338… | exploit |
Credits
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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
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 (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
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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Mitigation
Phases:
Description:
- Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation ID: MIT-10
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-11
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Strategy: Libraries or Frameworks
Description:
- Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Phase: Operation
Description:
- 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.