CWE-122
Heap-based Buffer Overflow
Description
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().
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-92
CVEs mapped to this weakness (2,687)
page 89 of 135| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-45653 | Hig | 0.46 | 7.0 | 0.00 | Jun 9, 2026 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-41108 | Hig | 0.46 | 7.0 | 0.00 | Jun 9, 2026 | Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-48690 | Hig | 0.46 | 7.1 | 0.00 | May 26, 2026 | FastNetMon Community Edition through 1.2.9 contains an integer overflow vulnerability in the packet capture buffer allocation. In src/packet_storage.hpp, the allocate_buffer() function computes memory_size_in_bytes as 'buffer_size_in_packets * (max_captured_packet_size +… | ||
| CVE-2026-32741 | Hig | 0.46 | 7.1 | 0.00 | May 19, 2026 | libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and below contain a heap buffer overflow in MaskImageCodec::decode_mask_image(). When decoding a HEIF file containing a mask image (mski), the function copies the full iloc extent data into a pixel… | ||
| CVE-2026-29004 | Hig | 0.46 | 8.1 | 0.00 | May 4, 2026 | BusyBox before commit 42202bf contains a heap buffer overflow vulnerability in the DHCPv6 client (udhcpc6) DNS_SERVERS option handler in networking/udhcp/d6_dhcpc.c that allows network-adjacent attackers to trigger memory corruption by sending a crafted DHCPv6 response with a… | ||
| CVE-2026-42477 | Hig | 0.46 | 7.1 | 0.00 | May 1, 2026 | A heap-based out-of-bounds read vulnerability in RWObj_Reader::read in the OBJ file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows user-assisted attackers to cause a denial of service or obtain sensitive information by persuading a victim to open a crafted OBJ file.… | ||
| CVE-2026-32623 | Hig | 0.46 | 8.1 | 0.01 | Apr 17, 2026 | xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual… | ||
| CVE-2026-32093 | Hig | 0.46 | 7.0 | 0.01 | Apr 14, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-32087 | Hig | 0.46 | 7.0 | 0.00 | Apr 14, 2026 | Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-32316 | Hig | 0.46 | 8.2 | 0.00 | Apr 13, 2026 | jq is a command-line JSON processor. An integer overflow vulnerability exists through version 1.8.1 within the jvp_string_append() and jvp_string_copy_replace_bad functions, where concatenating strings with a combined length exceeding 2^31 bytes causes a 32-bit unsigned integer… | ||
| CVE-2026-2646 | Hig | 0.46 | 8.1 | 0.00 | Mar 19, 2026 | A heap-buffer-overflow vulnerability exists in wolfSSL's wolfSSL_d2i_SSL_SESSION() function. When deserializing session data with SESSION_CERTS enabled, certificate and session id lengths are read from an untrusted input without bounds validation, allowing an attacker to… | ||
| CVE-2026-31971 | Hig | 0.46 | 8.1 | 0.00 | Mar 18, 2026 | HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the `BYTE_ARRAY_LEN` method, the… | ||
| CVE-2026-31970 | Hig | 0.46 | 8.1 | 0.00 | Mar 18, 2026 | HTSlib is a library for reading and writing bioinformatics file formats. GZI files are used to index block-compressed GZIP [BGZF] files. In the GZI loading function, `bgzf_index_load_hfile()`, it was possible to trigger an integer overflow, leading to an under- or zero-sized… | ||
| CVE-2026-31969 | Hig | 0.46 | 8.1 | 0.00 | Mar 18, 2026 | HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the `BYTE_ARRAY_STOP` method, an out-by-one error… | ||
| CVE-2026-31968 | Hig | 0.46 | 8.1 | 0.00 | Mar 18, 2026 | HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. For the `VARINT` and `CONST` encodings, incomplete validation of the context in… | ||
| CVE-2026-31963 | Hig | 0.46 | 8.1 | 0.00 | Mar 18, 2026 | HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data. As one method of removing redundant data, CRAM uses reference-based compression so that instead of storing the full sequence for each… | ||
| CVE-2026-25794 | Hig | 0.46 | 8.2 | 0.00 | Feb 24, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows… | ||
| CVE-2025-64784 | Hig | 0.46 | 7.1 | 0.00 | Dec 9, 2025 | DNG SDK versions 1.7.0 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure or application denial of service. An attacker could leverage this vulnerability to disclose sensitive memory information. Exploitation of this issue… | ||
| CVE-2025-11206 | Hig | 0.46 | 7.1 | 0.00 | Nov 6, 2025 | Heap buffer overflow in Video in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) | ||
| CVE-2025-57107 | Hig | 0.46 | 7.1 | 0.00 | Oct 31, 2025 | Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap buffer overflow vulnerability in vtkGLTFDocumentLoader. When processing specially crafted GLTF files, the copy constructor of Accessor objects fails to properly validate buffer boundaries before performing memory… |
- risk 0.46cvss 7.0epss 0.00
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.46cvss 7.0epss 0.00
Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally.
- risk 0.46cvss 7.1epss 0.00
FastNetMon Community Edition through 1.2.9 contains an integer overflow vulnerability in the packet capture buffer allocation. In src/packet_storage.hpp, the allocate_buffer() function computes memory_size_in_bytes as 'buffer_size_in_packets * (max_captured_packet_size +…
- risk 0.46cvss 7.1epss 0.00
libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and below contain a heap buffer overflow in MaskImageCodec::decode_mask_image(). When decoding a HEIF file containing a mask image (mski), the function copies the full iloc extent data into a pixel…
- risk 0.46cvss 8.1epss 0.00
BusyBox before commit 42202bf contains a heap buffer overflow vulnerability in the DHCPv6 client (udhcpc6) DNS_SERVERS option handler in networking/udhcp/d6_dhcpc.c that allows network-adjacent attackers to trigger memory corruption by sending a crafted DHCPv6 response with a…
- risk 0.46cvss 7.1epss 0.00
A heap-based out-of-bounds read vulnerability in RWObj_Reader::read in the OBJ file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows user-assisted attackers to cause a denial of service or obtain sensitive information by persuading a victim to open a crafted OBJ file.…
- risk 0.46cvss 8.1epss 0.01
xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual…
- risk 0.46cvss 7.0epss 0.01
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
- risk 0.46cvss 7.0epss 0.00
Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
- risk 0.46cvss 8.2epss 0.00
jq is a command-line JSON processor. An integer overflow vulnerability exists through version 1.8.1 within the jvp_string_append() and jvp_string_copy_replace_bad functions, where concatenating strings with a combined length exceeding 2^31 bytes causes a 32-bit unsigned integer…
- risk 0.46cvss 8.1epss 0.00
A heap-buffer-overflow vulnerability exists in wolfSSL's wolfSSL_d2i_SSL_SESSION() function. When deserializing session data with SESSION_CERTS enabled, certificate and session id lengths are read from an untrusted input without bounds validation, allowing an attacker to…
- risk 0.46cvss 8.1epss 0.00
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the `BYTE_ARRAY_LEN` method, the…
- risk 0.46cvss 8.1epss 0.00
HTSlib is a library for reading and writing bioinformatics file formats. GZI files are used to index block-compressed GZIP [BGZF] files. In the GZI loading function, `bgzf_index_load_hfile()`, it was possible to trigger an integer overflow, leading to an under- or zero-sized…
- risk 0.46cvss 8.1epss 0.00
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the `BYTE_ARRAY_STOP` method, an out-by-one error…
- risk 0.46cvss 8.1epss 0.00
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. For the `VARINT` and `CONST` encodings, incomplete validation of the context in…
- risk 0.46cvss 8.1epss 0.00
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data. As one method of removing redundant data, CRAM uses reference-based compression so that instead of storing the full sequence for each…
- risk 0.46cvss 8.2epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows…
- risk 0.46cvss 7.1epss 0.00
DNG SDK versions 1.7.0 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure or application denial of service. An attacker could leverage this vulnerability to disclose sensitive memory information. Exploitation of this issue…
- risk 0.46cvss 7.1epss 0.00
Heap buffer overflow in Video in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
- risk 0.46cvss 7.1epss 0.00
Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap buffer overflow vulnerability in vtkGLTFDocumentLoader. When processing specially crafted GLTF files, the copy constructor of Accessor objects fails to properly validate buffer boundaries before performing memory…