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-2021-21948 (GCVE-0-2021-21948)
Vulnerability from cvelistv5 – Published: 2022-04-14 19:56 – Updated: 2025-04-15 19:08
VLAI
Summary
A heap-based buffer overflow vulnerability exists in the readDatHeadVec functionality of AnyCubic Chitubox AnyCubic Plugin 1.0.0. A specially-crafted GF file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AnyCubic | Chitubox AnyCubic Plugin |
Affected:
1.0.0
|
|
| Chitubox | Chitubox Basic |
Affected:
V1.8.1
|
Date Public
2022-01-10 00:00
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CVE-2021-21958 (GCVE-0-2021-21958)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2021-21962 (GCVE-0-2021-21962)
Vulnerability from cvelistv5 – Published: 2022-02-04 22:29 – Updated: 2025-04-15 19:10
VLAI
Summary
A heap-based buffer overflow vulnerability exists in the OTA Update u-download functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A series of specially-crafted MQTT payloads can lead to remote code execution. An attacker must perform a man-in-the-middle attack in order to trigger this vulnerability.
Severity
9 (Critical)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2021-22564 (GCVE-0-2021-22564)
Vulnerability from cvelistv5 – Published: 2021-11-01 13:10 – Updated: 2024-09-17 00:21
VLAI
Title
Out of bounds Copy in Libjxl in large image groups
Summary
For certain valid JPEG XL images with a size slightly larger than an integer number of groups (256x256 pixels) when processing the groups out of order the decoder can perform an out of bounds copy of image pixels from an image buffer in the heap to another. This copy can occur when processing the right or bottom edges of the image, but only when groups are processed in certain order. Groups can be processed out of order in multi-threaded decoding environments with heavy thread load but also with images that contain the groups in an arbitrary order in the file. It is recommended to upgrade past 0.6.0 or patch with https://github.com/libjxl/libjxl/pull/775
Severity
4.5 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/libjxl/libjxl/pull/775 | x_refsource_MISC |
| https://github.com/libjxl/libjxl/issues/708 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | libjxl |
Affected:
unspecified , ≤ 0.6.0
(custom)
|
Date Public
2021-10-14 00:00
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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
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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CVE-2021-23157 (GCVE-0-2021-23157)
Vulnerability from cvelistv5 – Published: 2022-01-14 19:10 – Updated: 2025-04-16 18:02
VLAI
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)
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-2021-23165 (GCVE-0-2021-23165)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:12 – Updated: 2024-08-03 19:05
VLAI
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-2021-24025 (GCVE-0-2021-24025)
Vulnerability from cvelistv5 – Published: 2021-03-10 15:50 – Updated: 2024-08-03 19:14
VLAI
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-2021-24036 (GCVE-0-2021-24036)
Vulnerability from cvelistv5 – Published: 2021-07-23 00:30 – Updated: 2024-08-03 19:21
VLAI
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-2021-24041 (GCVE-0-2021-24041)
Vulnerability from cvelistv5 – Published: 2021-12-07 19:10 – Updated: 2024-08-03 19:21
VLAI
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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"reference_data": [
{
"name": "https://www.whatsapp.com/security/advisories/2021/",
"refsource": "CONFIRM",
"url": "https://www.whatsapp.com/security/advisories/2021/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
"assignerShortName": "facebook",
"cveId": "CVE-2021-24041",
"datePublished": "2021-12-07T19:10:09.000Z",
"dateReserved": "2021-01-13T00:00:00.000Z",
"dateUpdated": "2024-08-03T19:21:17.331Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.