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().
4106 vulnerabilities reference this CWE, most recent first.
CVE-2021-25384 (GCVE-0-2021-25384)
Vulnerability from cvelistv5 – Published: 2021-06-11 14:45 – Updated: 2024-08-03 20:03
VLAI
EPSS
VEX
Summary
An improper input validation vulnerability in sdfffd_parse_chunk_PROP() with Sample Rate Chunk in libsdffextractor library prior to SMR MAY-2021 Release 1 allows attackers to execute arbitrary code on mediaextractor process.
Severity
9 (Critical)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.samsungmobile.com/securityUpdate… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices |
Affected:
O(8.1), P(9.x), Q(10.0), R(11.0) , < SMR MAY-2021 Release 1
(custom)
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CVE-2021-25383 (GCVE-0-2021-25383)
Vulnerability from cvelistv5 – Published: 2021-06-11 14:45 – Updated: 2024-08-03 20:03
VLAI
EPSS
VEX
Summary
An improper input validation vulnerability in scmn_mfal_read() in libsapeextractor library prior to SMR MAY-2021 Release 1 allows attackers to execute arbitrary code on mediaextractor process.
Severity
9 (Critical)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.samsungmobile.com/securityUpdate… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices |
Affected:
O(8.1), P(9.x), Q(10.0), R(11.0) , < SMR MAY-2021 Release 1
(custom)
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CVE-2021-25360 (GCVE-0-2021-25360)
Vulnerability from cvelistv5 – Published: 2021-04-09 17:35 – Updated: 2024-08-03 20:03
VLAI
EPSS
VEX
Summary
An improper input validation vulnerability in libswmfextractor library prior to SMR APR-2021 Release 1 allows attackers to execute arbitrary code on mediaextractor process.
Severity
9 (Critical)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://security.samsungmobile.com/ | x_refsource_CONFIRM |
| https://security.samsungmobile.com/securityUpdate.smsb | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices |
Affected:
Q(10.0) , < SMR APR-2021 Release 1
(custom)
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CVE-2021-24042 (GCVE-0-2021-24042)
Vulnerability from cvelistv5 – Published: 2022-01-04 18:55 – Updated: 2025-05-22 18:36
VLAI
EPSS
VEX
Summary
The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.whatsapp.com/security/advisories/2021/ | x_refsource_CONFIRM |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| WhatsApp Desktop |
Affected:
unspecified , < v2.2146
(custom)
Unaffected: v2.2146 , < unspecified (custom) |
||
| WhatsApp for KaiOS |
Affected:
unspecified , < v2.2143
(custom)
Unaffected: v2.2143 , < unspecified (custom) |
||
| WhatsApp Business for iOS |
Affected:
unspecified , < v2.21.230
(custom)
Unaffected: v2.21.230 , < unspecified (custom) |
||
| WhatsApp for iOS |
Affected:
unspecified , < v2.21.230
(custom)
Unaffected: v2.21.230 , < unspecified (custom) |
||
| WhatsApp Business for Android |
Affected:
unspecified , < v2.21.23
(custom)
Unaffected: v2.21.23 , < unspecified (custom) |
||
| WhatsApp for Android |
Affected:
unspecified , < v2.21.23
(custom)
Unaffected: v2.21.23 , < unspecified (custom) |
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CVE-2021-24041 (GCVE-0-2021-24041)
Vulnerability from cvelistv5 – Published: 2021-12-07 19:10 – Updated: 2024-08-03 19:21
VLAI
EPSS
VEX
Summary
A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android v2.21.22.7 could have allowed an out-of-bounds write if a user sent a malicious image.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.whatsapp.com/security/advisories/2021/ | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WhatsApp Business for Android |
Affected:
unspecified , < v2.21.22.7
(custom)
Unaffected: v2.21.22.7 , < unspecified (custom) |
||
| WhatsApp for Android |
Affected:
unspecified , < v2.21.22.7
(custom)
Unaffected: v2.21.22.7 , < unspecified (custom) |
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CVE-2021-24036 (GCVE-0-2021-24036)
Vulnerability from cvelistv5 – Published: 2021-07-23 00:30 – Updated: 2024-08-03 19:21
VLAI
EPSS
VEX
Summary
Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hhvm.com/blog/2021/07/20/security-update.html | x_refsource_CONFIRM |
| https://github.com/facebook/folly/commit/4f304af1… | x_refsource_MISC |
| https://www.facebook.com/security/advisories/cve-… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| folly |
Unaffected:
v2021.07.22.00 , < unspecified
(custom)
Affected: unspecified , < v2021.07.22.00 (custom) |
||
| HHVM |
Unaffected:
4.118.2 , < unspecified
(custom)
Affected: 4.118.0 , < unspecified (custom) Unaffected: 4.117.1 , < unspecified (custom) Affected: 4.117.0 Unaffected: 4.116.1 , < unspecified (custom) Affected: 4.116.0 Unaffected: 4.115.1 , < unspecified (custom) Affected: 4.115.0 Unaffected: 4.114.1 , < unspecified (custom) Affected: 4.114.0 Unaffected: 4.113.1 , < unspecified (custom) Affected: 4.113.0 Unaffected: 4.102.2 , < unspecified (custom) Affected: 4.102.0 , < unspecified (custom) Affected: 4.81.0 , < unspecified (custom) Unaffected: 4.80.5 , < unspecified (custom) Affected: unspecified , < 4.80.5 (custom) |
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CVE-2021-24025 (GCVE-0-2021-24025)
Vulnerability from cvelistv5 – Published: 2021-03-10 15:50 – Updated: 2024-08-03 19:14
VLAI
EPSS
VEX
Summary
Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://hhvm.com/blog/2021/02/25/security-update.html | x_refsource_MISC |
| https://github.com/facebook/hhvm/commit/08193b7f0… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HHVM |
Unaffected:
4.98.1 , < unspecified
(custom)
Affected: 4.98.0 Unaffected: 4.97.1 , < unspecified (custom) Affected: 4.97.0 Unaffected: 4.96.1 , < unspecified (custom) Affected: 4.96.0 Unaffected: 4.95.1 , < unspecified (custom) Affected: 4.95.0 Unaffected: 4.94.1 , < unspecified (custom) Affected: 4.94.0 Unaffected: 4.93.2 , < unspecified (custom) Affected: 4.81.0 , < unspecified (custom) Unaffected: 4.80.2 , < unspecified (custom) Affected: 4.57.0 , < unspecified (custom) Unaffected: 4.56.3 , < unspecified (custom) Affected: unspecified , < 4.56.3 (custom) |
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CVE-2021-23165 (GCVE-0-2021-23165)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:12 – Updated: 2024-08-03 19:05
VLAI
EPSS
VEX
Summary
A flaw was found in htmldoc before v1.9.12. Heap buffer overflow in pspdf_prepare_outpages(), in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
Severity
No CVSS data available.
CWE
- CWE-122 - (Heap-based Buffer Overflow)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/michaelrsweet/htmldoc/issues/413 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1967014 | x_refsource_MISC |
| https://github.com/michaelrsweet/htmldoc/commit/6… | x_refsource_MISC |
| https://github.com/michaelrsweet/htmldoc/commit/6… | x_refsource_MISC |
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CVE-2021-23157 (GCVE-0-2021-23157)
Vulnerability from cvelistv5 – Published: 2022-01-14 19:10 – Updated: 2025-04-16 18:02
VLAI
EPSS
VEX
Title
WECON LeviStudioU
Summary
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
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.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WECON | LeviStudioU |
Affected:
All , ≤ 2019-09-21
(custom)
|
Date Public
2021-12-21 00:00
Credits
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CVE-2021-22641 (GCVE-0-2021-22641)
Vulnerability from cvelistv5 – Published: 2021-01-27 19:03 – Updated: 2024-08-03 18:44
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow issue has been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Tellus Lite V-Simulator and V-Server Lite |
Affected:
Versions prior to 4.0.10.0
|
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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.