Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

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-2021-3625 (GCVE-0-2021-3625)

Vulnerability from cvelistv5 – Published: 2021-10-05 20:50 – Updated: 2024-09-16 18:49
VLAI
Title
Buffer overflow in Zephyr USB DFU DNLOAD
Summary
Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363
Severity
9.6 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
Impacted products
Vendor Product Version
zephyrproject-rtos zephyr Affected: v2.5.0 , < unspecified (custom)
Create a notification for this product.
Date Public
2021-09-21 00:00
Show details on NVD website
To clipboard 

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CVE-2020-37162 (GCVE-0-2020-37162)

Vulnerability from cvelistv5 – Published: 2026-02-06 23:14 – Updated: 2026-02-17 16:56
VLAI
Title
Wedding Slideshow Studio 1.36 - 'Key' Buffer Overflow
Summary
Wedding Slideshow Studio 1.36 contains a buffer overflow vulnerability in the registration key input that allows attackers to execute arbitrary code by overwriting memory. Attackers can craft a malicious payload of 1608 bytes to trigger a stack-based buffer overflow and execute commands through the registration key field.
Severity
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2020-02-09 00:00
Credits
ZwX
Show details on NVD website
To clipboard 

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CVE-2020-28598 (GCVE-0-2020-28598)

Vulnerability from cvelistv5 – Published: 2021-07-08 11:29 – Updated: 2024-08-04 16:40
VLAI
Summary
An out-of-bounds write vulnerability exists in the Admesh stl_fix_normal_directions() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted AMF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
n/a Prusa Research Affected: Prusa Research PrusaSlicer 2.2.0 ,Prusa Research PrusaSlicer Master (commit 4b040b856)
Show details on NVD website
To clipboard 

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CVE-2020-28595 (GCVE-0-2020-28595)

Vulnerability from cvelistv5 – Published: 2021-02-10 21:51 – Updated: 2024-08-04 16:40
VLAI
Summary
An out-of-bounds write vulnerability exists in the Obj.cpp load_obj() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
n/a Prusa Research Affected: Prusa Research PrusaSlicer 2.2.0 ,Prusa Research PrusaSlicer Master (commit 4b040b856)
Show details on NVD website
To clipboard 

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CVE-2020-28587 (GCVE-0-2020-28587)

Vulnerability from cvelistv5 – Published: 2021-02-23 18:11 – Updated: 2024-08-04 16:40
VLAI
Summary
A specially crafted document can cause the document parser to copy data from a particular record type into a static-sized buffer within an object that is smaller than the size used for the copy, which will cause a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability. This affects SoftMaker Software GmbH SoftMaker Office PlanMaker 2021 (Revision 1014).
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
n/a Softmaker Affected: SoftMaker Software GmbH SoftMaker Office PlanMaker 2021 (Revision 1014)
Show details on NVD website
To clipboard 

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CVE-2020-27841 (GCVE-0-2020-27841)

Vulnerability from cvelistv5 – Published: 2021-01-05 17:18 – Updated: 2024-08-04 16:25
VLAI
Summary
There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openjpeg Affected: openjpeg 2.4.0
Show details on NVD website
To clipboard 

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CVE-2020-27829 (GCVE-0-2020-27829)

Vulnerability from cvelistv5 – Published: 2021-03-26 16:49 – Updated: 2024-08-04 16:25
VLAI
Summary
A heap based buffer overflow in coders/tiff.c may result in program crash and denial of service in ImageMagick before 7.0.10-45.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: ImageMagick 7.0.10-45
Show details on NVD website
To clipboard 

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CVE-2020-27814 (GCVE-0-2020-27814)

Vulnerability from cvelistv5 – Published: 2021-01-25 18:38 – Updated: 2024-08-04 16:25
VLAI
Summary
A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openjpeg Affected: before openjpeg 2.4.0
Show details on NVD website
To clipboard 

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CVE-2020-27752 (GCVE-0-2020-27752)

Vulnerability from cvelistv5 – Published: 2020-12-08 21:57 – Updated: 2024-08-04 16:18
VLAI
Summary
A flaw was found in ImageMagick in MagickCore/quantum-private.h. An attacker who submits a crafted file that is processed by ImageMagick could trigger a heap buffer overflow. This would most likely lead to an impact to application availability, but could potentially lead to an impact to data integrity as well. This flaw affects ImageMagick versions prior to 7.0.9-0.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: prior to 7.0.9-0
Show details on NVD website
To clipboard 

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CVE-2020-27297 (GCVE-0-2020-27297)

Vulnerability from cvelistv5 – Published: 2021-01-26 19:06 – Updated: 2024-08-04 16:11
VLAI
Summary
The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
n/a OPC UA Tunneller Affected: All versions prior to 6.3.0.8233
Show details on NVD website
To clipboard 

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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.

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