VYPR

CWE-122

Heap-based Buffer Overflow

VariantDraftLikelihood: High

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)

Children

none

Related attack patterns (CAPEC)

CAPEC-92

CVEs mapped to this weakness (2,687)

page 89 of 135
  • CVE-2026-45653HigJun 9, 2026
    risk 0.46cvss 7.0epss 0.00

    Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

  • CVE-2026-41108HigJun 9, 2026
    risk 0.46cvss 7.0epss 0.00

    Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally.

  • CVE-2026-48690HigMay 26, 2026
    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 +…

  • CVE-2026-32741HigMay 19, 2026
    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…

  • CVE-2026-29004HigMay 4, 2026
    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…

  • CVE-2026-42477HigMay 1, 2026
    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.…

  • CVE-2026-32623HigApr 17, 2026
    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…

  • CVE-2026-32093HigApr 14, 2026
    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.

  • CVE-2026-32087HigApr 14, 2026
    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.

  • CVE-2026-32316HigApr 13, 2026
    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…

  • CVE-2026-2646HigMar 19, 2026
    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…

  • CVE-2026-31971HigMar 18, 2026
    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…

  • CVE-2026-31970HigMar 18, 2026
    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…

  • CVE-2026-31969HigMar 18, 2026
    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…

  • CVE-2026-31968HigMar 18, 2026
    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…

  • CVE-2026-31963HigMar 18, 2026
    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…

  • CVE-2026-25794HigFeb 24, 2026
    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…

  • CVE-2025-64784HigDec 9, 2025
    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…

  • CVE-2025-11206HigNov 6, 2025
    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)

  • CVE-2025-57107HigOct 31, 2025
    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…