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 (3,186)

page 117 of 160
  • CVE-2026-62381MedAug 22, 2026
    risk 0.43cvss 6.6epss 0.00

    luci-lib-px5g (LuCI) contains a heap-based buffer overflow in the native ASN.1 encoding routine asn1_add_obj (x509write.c) when signing a certificate with a 2040-bit RSA key. For a 255-byte signature, the BIT STRING allocation is computed from the DER length encoding of 255…

  • CVE-2026-63633HigAug 19, 2026
    risk 0.43cvss —epss 0.00

    FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdp_dsp_decode_opus in libfreerdp/codec/dsp.c calls Stream_EnsureRemainingCapacity on context->common.buffer even though opus_decode writes decoded PCM into the caller-supplied out stream. A…

  • CVE-2026-25749MedFeb 6, 2026
    risk 0.43cvss 6.6epss 0.00

    Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file resolution logic when processing the 'helpfile' option. The vulnerability is located in the get_tagfname() function in src/tag.c. When…

  • CVE-2025-51089MedJul 24, 2025
    risk 0.43cvss 6.5epss 0.06

    Tenda AC8V4 V16.03.34.06` was discovered to contain heap overflow at /goform/GetParentControlInfo.The manipulation of the argument `mac` leads to heap-based buffer overflow.

  • CVE-2025-5915MedJun 9, 2025
    risk 0.43cvss 6.6epss 0.00

    A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyond the allocated…

  • CVE-2025-31164MedMar 28, 2025
    risk 0.43cvss 6.6epss 0.00

    heap-buffer overflow in fig2dev in version 3.2.9a allows an attacker to availability via local input manipulation via  create_line_with_spline.

  • CVE-2025-21256MedJan 14, 2025
    risk 0.43cvss 6.6epss 0.01

    Windows Digital Media Elevation of Privilege Vulnerability

  • CVE-2024-49094MedDec 12, 2024
    risk 0.43cvss 6.6epss 0.01

    Wireless Wide Area Network Service (WwanSvc) Elevation of Privilege Vulnerability

  • CVE-2024-49081MedDec 12, 2024
    risk 0.43cvss 6.6epss 0.01

    Wireless Wide Area Network Service (WwanSvc) Elevation of Privilege Vulnerability

  • CVE-2024-43480MedOct 8, 2024
    risk 0.43cvss 6.6epss 0.01

    Azure Service Fabric for Linux Remote Code Execution Vulnerability

  • CVE-2023-3463MedJul 19, 2023
    risk 0.43cvss 6.6epss 0.00

    All versions of GE Digital CIMPLICITY that are not adhering to SDG guidance and accepting documents from untrusted sources are vulnerable to memory corruption issues due to insufficient input validation, including issues such as out-of-bounds reads and writes, use-after-free,…

  • CVE-2023-1170MedMar 3, 2023
    risk 0.43cvss 6.6epss 0.01

    Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1376.

  • CVE-2022-3437MedJan 12, 2023
    risk 0.43cvss 6.5epss 0.04

    A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory…

  • CVE-2023-21560MedJan 10, 2023
    risk 0.43cvss 6.6epss 0.01

    Windows Boot Manager Security Feature Bypass Vulnerability

  • CVE-2018-14618HigSep 5, 2018
    risk 0.43cvss 7.5epss 0.11

    curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password by two (SUM) to figure out how large temporary storage area to allocate from the heap. The length…

  • CVE-2018-10840MedJul 16, 2018
    risk 0.43cvss 6.6epss 0.01

    Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

  • CVE-2026-67549HigSep 18, 2026
    risk 0.42cvss 7.6epss 0.00

    OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.1.16.0, A crafted 1-bit contiguous cmyk tiff is exposed through a native uint1 imagespec, so callers allocate a bit-packed buffer.…

  • CVE-2026-81634HigSep 16, 2026
    risk 0.42cvss 7.5epss 0.00

    In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by missing to add the first owner name into the buffer length check. A malicious actor…

  • CVE-2026-90439MedSep 15, 2026
    risk 0.42cvss 6.5epss 0.00

    NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with OpenSSL versions <= OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a…

  • CVE-2026-86870MedSep 14, 2026
    risk 0.42cvss 6.5epss 0.00

    A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may lead to unexpected app termination.