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().— MITRE CWE catalog
3,271 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 35 of 66
- CVE-2026-28421HIGHCVSS 7.8EG 7.82026-02-27
Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointe…
- CVE-2026-3281HIGHCVSS 7.8EG 7.82026-02-27
A vulnerability was detected in libvips 8.19.0. This affects the function vips_bandrank_build of the file libvips/conversion/bandrank.c. Performing a manipulation of the argument index results in heap-based buffer overflow. The attack must…
- CVE-2026-3147HIGHCVSS 7.8EG 7.82026-02-25
A vulnerability was found in libvips up to 8.18.0. This affects the function vips_foreign_load_csv_build of the file libvips/foreign/csvload.c. The manipulation results in heap-based buffer overflow. The attack requires a local approach. T…
- CVE-2026-2047HIGHCVSS 7.8EG 7.82026-02-21
GIMP ICNS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vul…
- CVE-2026-26200HIGHCVSS 7.8EG 7.82026-02-19
HDF5 is software for managing data. Prior to version 1.14.4-2, an attacker who can control an `h5` file parsed by HDF5 can trigger a write-based heap buffer overflow condition. This can lead to a denial-of-service condition, and potentiall…
- CVE-2026-2661HIGHCVSS 7.8EG 7.82026-02-18
A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locall…
- CVE-2026-2653HIGHCVSS 7.8EG 7.82026-02-18
A security flaw has been discovered in admesh up to 0.98.5. This issue affects the function stl_check_normal_vector of the file src/normals.c. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated fr…
- CVE-2026-21357HIGHCVSS 7.8EG 7.82026-02-10
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user intera…
- CVE-2026-21259HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
- CVE-2026-21246HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- CVE-2026-21245HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-21239HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-21236HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-25583HIGHCVSS 7.8EG 7.82026-02-04
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.3, there is a heap buffer overflow vulnerability in CIccFileIO::Read8() whe…
- CVE-2026-25582HIGHCVSS 7.8EG 7.82026-02-04
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.3, there is a heap buffer overflow (read) vulnerability in CIccIO::WriteUIn…
- CVE-2026-1283HIGHCVSS 7.8EG 7.82026-01-26
A Heap-based Buffer Overflow vulnerability affecting the EPRT file reading procedure in SOLIDWORKS eDrawings from Release SOLIDWORKS Desktop 2025 through Release SOLIDWORKS Desktop 2026 could allow an attacker to execute arbitrary code whi…
- CVE-2025-15059HIGHCVSS 7.8EG 7.82026-01-23
GIMP PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vuln…
- CVE-2025-15533HIGHCVSS 7.8EG 7.82026-01-18
A vulnerability was determined in raysan5 raylib up to 909f040. Affected by this vulnerability is the function GenImageFontAtlas of the file src/rtext.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can only …
- CVE-2026-21304HIGHCVSS 7.8EG 7.82026-01-13
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user intera…
- CVE-2026-21283HIGHCVSS 7.8EG 7.82026-01-13
Bridge versions 15.1.2, 16.0 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in t…
- CVE-2026-21281HIGHCVSS 7.8EG 7.82026-01-13
InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in t…
- CVE-2026-21277HIGHCVSS 7.8EG 7.82026-01-13
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user intera…
- CVE-2026-20957HIGHCVSS 7.8EG 7.82026-01-13
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-20922HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- CVE-2026-20840HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- CVE-2026-20837HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- CVE-2026-20820HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-20809HIGHCVSS 7.8EG 7.82026-01-13
Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
- CVE-2026-20864HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
- CVE-2026-21678HIGHCVSS 7.8EG 7.82026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap-buffer-overflow vulnerability in IccTagXml(…
- CVE-2026-21504HIGHCVSS 7.8EG 7.82026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap buffer overflow in the ToneMap parser. This…
- CVE-2026-21486HIGHCVSS 7.8EG 7.82026-01-06
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabi…
- CVE-2025-15279HIGHCVSS 7.8EG 7.82025-12-31
FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to …
- CVE-2025-15277HIGHCVSS 7.8EG 7.82025-12-31
FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to …
- CVE-2025-14425HIGHCVSS 7.8EG 7.82025-12-23
GIMP JP2 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vuln…
- CVE-2025-12840HIGHCVSS 7.8EG 7.82025-12-23
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundat…
- CVE-2025-12839HIGHCVSS 7.8EG 7.82025-12-23
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundat…
- CVE-2025-12495HIGHCVSS 7.8EG 7.82025-12-23
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundat…
- CVE-2025-14935HIGHCVSS 7.8EG 7.82025-12-23
NSF Unidata NetCDF-C Dimension Name Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NSF Unidata NetCDF-C. User interaction is…
- CVE-2025-9457HIGHCVSS 7.8EG 7.82025-12-16
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Memory corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.
- CVE-2025-10881HIGHCVSS 7.8EG 7.82025-12-16
A maliciously crafted CATPRODUCT file, when parsed through certain Autodesk products, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitr…
- CVE-2025-64680HIGHCVSS 7.8EG 7.82025-12-09
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2025-64679HIGHCVSS 7.8EG 7.82025-12-09
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2025-62470HIGHCVSS 7.8EG 7.82025-12-09
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-62458HIGHCVSS 7.8EG 7.82025-12-09
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- CVE-2025-62454HIGHCVSS 7.8EG 7.82025-12-09
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-46373HIGHCVSS 7.8EG 7.82025-11-18
A Heap-based Buffer Overflow vulnerability [CWE-122] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.8 may allow an authenticated local IPSec user to execute arbitrary code or commands…
- CVE-2025-61838HIGHCVSS 7.8EG 7.82025-11-11
Format Plugins versions 1.1.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in …
- CVE-2025-61837HIGHCVSS 7.8EG 7.82025-11-11
Format Plugins versions 1.1.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in …
- CVE-2025-62201HIGHCVSS 7.8EG 7.82025-11-11
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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