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().
4196 vulnerabilities reference this CWE, most recent first.
CVE-2023-0667 (GCVE-0-2023-0667)
Vulnerability from cvelistv5 – Published: 2023-06-07 02:38 – Updated: 2025-11-03 21:47
VLAI
EPSS
VEX
Title
Wireshark MSMMS parsing buffer overflow
Summary
Due to failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and prior, in an unusual configuration, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://takeonme.org/cves/CVE-2023-0667.html | third-party-advisory |
| https://gitlab.com/wireshark/wireshark/-/issues/19086 | issue-tracking |
| https://security.gentoo.org/glsa/202309-02 | |
| https://lists.debian.org/debian-lts-announce/2024… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
0 , ≤ 4.0.5
(semver)
Unaffected: 4.0.6 Affected: 0 , ≤ 3.6.13 (semver) Unaffected: 3.6.14 |
Date Public
2023-05-22 19:04
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CVE-2023-0666 (GCVE-0-2023-0666)
Vulnerability from cvelistv5 – Published: 2023-06-07 02:25 – Updated: 2025-11-03 21:47
VLAI
EPSS
VEX
Title
Wireshark RTPS Parsing Buffer Overflow
Summary
Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.0.0 , ≤ 4.0.5
(semver)
Unaffected: 4.0.6 |
Date Public
2023-05-22 19:04
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CVE-2023-0433 (GCVE-0-2023-0433)
Vulnerability from cvelistv5 – Published: 2023-01-21 00:00 – Updated: 2025-04-02 13:55
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1225.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
10 references
Impacted products
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CVE-2023-0288 (GCVE-0-2023-0288)
Vulnerability from cvelistv5 – Published: 2023-01-13 00:00 – Updated: 2025-04-07 15:36
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1189.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2023-0210 (GCVE-0-2023-0210)
Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2025-02-19 16:10
VLAI
EPSS
VEX
Summary
A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux Kernel |
Affected:
Kernel 6.2 RC4
|
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CVE-2023-0208 (GCVE-0-2023-0208)
Vulnerability from cvelistv5 – Published: 2023-04-01 03:23 – Updated: 2025-02-11 16:43
VLAI
EPSS
VEX
Summary
NVIDIA DCGM for Linux contains a vulnerability in HostEngine (server component) where a user may cause a heap-based buffer overflow through the bound socket. A successful exploit of this vulnerability may lead to denial of service and data tampering.
Severity
8.4 (High)
SSVC
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Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
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CVE-2023-0051 (GCVE-0-2023-0051)
Vulnerability from cvelistv5 – Published: 2023-01-04 00:00 – Updated: 2025-04-09 15:42
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1144.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2022-48512 (GCVE-0-2022-48512)
Vulnerability from cvelistv5 – Published: 2023-07-06 12:22 – Updated: 2024-11-19 18:55
VLAI
EPSS
VEX
Summary
Use After Free (UAF) vulnerability in the Vdecoderservice service. Successful exploitation of this vulnerability may cause the image decoding feature to perform abnormally.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2022-46290 (GCVE-0-2022-46290)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:25 – Updated: 2025-11-04 19:14
VLAI
EPSS
VEX
Summary
Multiple out-of-bounds write vulnerabilities exist in the ORCA format nAtoms functionality of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.The loop that stores the coordinates does not check its index against nAtoms
Severity
9.8 (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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Open Babel | Open Babel |
Affected:
3.1.1
Affected: master commit 530dbfa3 |
Credits
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CVE-2022-46289 (GCVE-0-2022-46289)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:25 – Updated: 2025-11-04 19:14
VLAI
EPSS
VEX
Summary
Multiple out-of-bounds write vulnerabilities exist in the ORCA format nAtoms functionality of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.nAtoms calculation wrap-around, leading to a small buffer allocation
Severity
9.8 (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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Open Babel | Open Babel |
Affected:
3.1.1
Affected: master commit 530dbfa3 |
Credits
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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.