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 34 of 66
- CVE-2026-43906HIGHCVSS 7.8EG 7.82026-05-14
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a heap-based buffer overflow in the HEIF decoder of OpenImageIO allows out-of…
- CVE-2026-42896HIGHCVSS 7.8EG 7.82026-05-12
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2026-42831HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-40407HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-40398HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
- CVE-2026-40377HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
- CVE-2026-40362HIGHCVSS 7.8EG 7.82026-05-12
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-35421HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
- CVE-2026-35420HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-34687HIGHCVSS 7.8EG 7.82026-05-12
Illustrator versions 29.8.6, 30.3 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…
- CVE-2026-34642HIGHCVSS 7.8EG 7.82026-05-12
After Effects versions 26.0, 25.6.4 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 interacti…
- CVE-2026-34343HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-34336HIGHCVSS 7.8EG 7.82026-05-12
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2026-33841HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-33837HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
- CVE-2025-12659HIGHCVSS 7.8EG 7.82026-05-12
Siemens Simcenter Femap contains a memory corruption vulnerability while parsing specially crafted IPT files. This could allow an attacker to execute code in the context of the current process.
- CVE-2026-42046HIGHCVSS 7.8EG 7.82026-05-11
libcaca is a colour ASCII art library. In 0.99.beta20 and earlier, an integer overflow vulnerability in libcaca's canvas import functionality allows an attacker to cause a controlled heap out-of-bounds write (heap overflow) by supplying a …
- CVE-2026-5405HIGHCVSS 7.8EG 7.82026-05-01
RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
- CVE-2026-5403HIGHCVSS 7.8EG 7.82026-05-01
SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
- CVE-2026-6846HIGHCVSS 7.8EG 7.82026-04-22
A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this m…
- CVE-2026-27293HIGHCVSS 7.8EG 7.82026-04-14
Adobe Framemaker versions 2022.8 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 …
- CVE-2026-34630HIGHCVSS 7.8EG 7.82026-04-14
Bridge versions 16.0.2, 15.1.4 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-2026-27313HIGHCVSS 7.8EG 7.82026-04-14
Bridge versions 16.0.2, 15.1.4 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-2026-27312HIGHCVSS 7.8EG 7.82026-04-14
Bridge versions 16.0.2, 15.1.4 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-2026-27311HIGHCVSS 7.8EG 7.82026-04-14
Bridge versions 16.0.2, 15.1.4 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-2026-27310HIGHCVSS 7.8EG 7.82026-04-14
Bridge versions 16.0.2, 15.1.4 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-2026-34629HIGHCVSS 7.8EG 7.82026-04-14
InDesign Desktop versions 20.5.2, 21.2 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-2026-34628HIGHCVSS 7.8EG 7.82026-04-14
InDesign Desktop versions 20.5.2, 21.2 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-2026-34627HIGHCVSS 7.8EG 7.82026-04-14
InDesign Desktop versions 20.5.2, 21.2 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-2026-26180HIGHCVSS 7.8EG 7.82026-04-14
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-26176HIGHCVSS 7.8EG 7.82026-04-14
Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-26156HIGHCVSS 7.8EG 7.82026-04-14
Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.
- CVE-2026-27238HIGHCVSS 7.8EG 7.82026-04-14
InDesign Desktop versions 20.5.2, 21.2 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-2026-4153HIGHCVSS 7.8EG 7.82026-04-11
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-2026-4152HIGHCVSS 7.8EG 7.82026-04-11
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-2026-21372HIGHCVSS 7.8EG 7.82026-04-06
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- CVE-2026-33298HIGHCVSS 7.8EG 7.82026-03-24
llama.cpp is an inference of several LLM models in C/C++. Prior to b7824, an integer overflow vulnerability in the `ggml_nbytes` function allows an attacker to bypass memory validation by crafting a GGUF file with specific tensor dimension…
- CVE-2026-3082HIGHCVSS 7.8EG 7.82026-03-16
GStreamer JPEG Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to…
- CVE-2026-2920HIGHCVSS 7.8EG 7.82026-03-16
GStreamer ASF Demuxer Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to…
- CVE-2026-27940HIGHCVSS 7.8EG 7.82026-03-12
llama.cpp is an inference of several LLM models in C/C++. Prior to b8146, the gguf_init_from_file_impl() in gguf.cpp is vulnerable to an Integer overflow, leading to an undersized heap allocation. Using the subsequent fread() writes 528+ b…
- CVE-2026-27271HIGHCVSS 7.8EG 7.82026-03-10
Illustrator versions 29.8.4, 30.1 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…
- CVE-2026-31796HIGHCVSS 7.8EG 7.82026-03-10
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in icCurvesFromXml() causing heap memory corruption or crash. This vulnerability is fixed …
- CVE-2026-30985HIGHCVSS 7.8EG 7.82026-03-10
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow write in CIccMatrixMath::SetRange() causing memory corruption or crash. This vulnerability…
- CVE-2026-30979HIGHCVSS 7.8EG 7.82026-03-10
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in CIccCalculatorFunc::InitSelectOp() triggered with local user interaction causing memory…
- CVE-2026-26108HIGHCVSS 7.8EG 7.82026-03-10
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-23665HIGHCVSS 7.8EG 7.82026-03-10
Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.
- CVE-2026-30931HIGHCVSS 7.8EG 7.82026-03-10
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, a heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out o…
- CVE-2026-29022HIGHCVSS 7.8EG 7.82026-03-03
dr_libs dr_wav.h version 0.14.4 and earlier (fixed in commit 8a7258c) contain a heap buffer overflow vulnerability in the drwav__read_smpl_to_metadata_obj() function of dr_wav.h that allows memory corruption via crafted WAV files. Attacker…
- CVE-2026-3463HIGHCVSS 7.8EG 7.82026-03-03
A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::binary_writer::append of the file source/detail/binary.hpp of the component Compound Document Parser. This manipulation causes heap-b…
- CVE-2026-3393HIGHCVSS 7.8EG 7.82026-03-01
A security vulnerability has been detected in jarikomppa soloud up to 20200207. The impacted element is the function SoLoud::Wav::loadflac of the file src/audiosource/wav/soloud_wav.cpp of the component Audio File Handler. Such manipulatio…
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