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
3,207 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 42 of 65
- CVE-2026-20462MEDIUMCVSS 6.7EG 6.72026-07-01
In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploita…
- CVE-2026-20465HIGHCVSS 8.1EG 8.12026-08-03
In wlan AP driver, there is a possible out of bounds write due to a missing bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed …
- 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-2026-20480MEDIUMCVSS 5.5EG 5.52026-08-03
In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960023 …
- CVE-2026-2049HIGHCVSS 7.8EG 7.82026-06-10
GIMP HDR 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-2026-2050HIGHCVSS 7.8EG 7.82026-06-24
GIMP HDR 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-2026-20501HIGHCVSS 8.4EG 8.42026-09-07
In vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALP…
- CVE-2026-20502HIGHCVSS 8.4EG 8.42026-09-07
In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALP…
- CVE-2026-20766HIGHCVSS 8.8EG 8.82026-04-28
An out-of-bounds memory access vulnerability exists in specific firmware versions of Milesight AIOT cameras.
- CVE-2026-20777HIGHCVSS 8.1EG 8.12026-03-03
A heap-based buffer overflow vulnerability exists in the Nicolet WFT parsing functionality of The Biosig Project libbiosig 3.9.2 and Master Branch (db9a9a63). A specially crafted .wft file can lead to arbitrary code execution. An attacker …
- 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-2026-20820HIGHCVSS 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-2026-20837HIGHCVSS 7.8EG 7.82026-01-13
Heap-based buffer overflow in Windows Media allows an unauthorized 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-2026-20864HIGHCVSS 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-2026-20868HIGHCVSS 8.8EG 8.82026-01-13
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-20876MEDIUMCVSS 6.7EG 6.72026-01-13
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges 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-2026-20957HIGHCVSS 7.8EG 7.82026-01-13
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-21095CRITICALCVSS 9.8EG 9.82026-09-09
Heap-based buffer overflow in DNG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
- CVE-2026-21096CRITICALCVSS 9.8EG 9.82026-09-09
Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
- CVE-2026-21104MEDIUMCVSS 6.7EG 6.72026-09-09
Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
- 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-2026-21239HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-21244HIGHCVSS 7.3EG 7.32026-02-10
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code 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-2026-21246HIGHCVSS 7.8EG 7.82026-02-10
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- CVE-2026-21247HIGHCVSS 7.3EG 7.32026-02-10
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
- CVE-2026-21248HIGHCVSS 7.3EG 7.32026-02-10
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
- 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-2026-21277HIGHCVSS 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-2026-21281HIGHCVSS 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-2026-21283HIGHCVSS 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-2026-21304HIGHCVSS 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-2026-21357HIGHCVSS 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-2026-21358MEDIUMCVSS 5.5EG 5.52026-02-10
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causin…
- CVE-2026-21372HIGHCVSS 7.8EG 7.82026-04-06
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- CVE-2026-21399MEDIUMCVSS 6.9EG 6.92026-08-11
Heap-based buffer overflow for the Intel(R) Open Volume Kernel Library (Intel(R) Open VKL) library maintained by intel(R) before version 2.0.2 within Ring 3: User Applications may allow a denial of service. System software adversary with a…
- 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-2026-21488HIGHCVSS 7.1EG 7.12026-01-06
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination through its CIccTagText:…
- CVE-2026-21490HIGHCVSS 7.1EG 7.12026-01-06
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects user…
- CVE-2026-21491HIGHCVSS 7.1EG 7.12026-01-06
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects user…
- CVE-2026-21494HIGHCVSS 7.1EG 7.12026-01-06
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects user…
- 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-2026-21676HIGHCVSS 8.8EG 8.82026-01-06
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have a Heap-based Buffer Overflow in its CIccMBB::Validate function which checks tag data validity. This issue is fixed i…
- 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-2026-21682HIGHCVSS 8.8EG 8.82026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a heap-buffer-overflow in `CIccXml…
- CVE-2026-22027MEDIUMCVSS 6.0EG 6.02026-01-10
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to…
- CVE-2026-22164HIGHCVSS 7.5EG 7.52026-06-08
Software installed and run as a non-privileged user may conduct improper GPU system calls to corrupt kernel heap memory. By creating resources of certain types and presenting a set of parameters to the affected interface the exploit can…
- CVE-2026-22554HIGHCVSS 7.8EG 7.82026-05-20
MediaArea MediaInfoLib Channel Splitting heap-based buffer overflow vulnerability
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