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    CVE-2020-23109

    Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.

    Published:Nov 3, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 3, 2021
    EPSS Score:0.00245
    CVSS Score:8.1

    Affected Products

    Vendor
    Struktur
    Product
    Libheif

    Exploits

    https://github.com/strukturag/libheif/issues/207https://github.com/strukturag/libheif/issues/207

    Related CVEs

    CVE-2026-62377 (CVSS 4.3) — libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF sequence acc…
    CVE-2026-62291 (CVSS 5.3) — libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted image sequence wi…
    CVE-2026-62292 (CVSS 8.7) — libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.1, a crafted uncompressed H…
    CVE-2026-62289 (CVSS 4.3) — libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF or AVIF file…
    CVE-2026-50142 (CVSS 7.5) — libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.0, a crafted HEIF sequence …
    CVE-2026-48029 (CVSS 7.1) — libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB rea…
    CVE-2026-47709 (CVSS 6.9) — libheif is a HEIF and AVIF file format decoder and encoder. Versions prior to 1.22.0 crashes in the public C A…
    CVE-2026-47254 (CVSS 6.1) — libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.0, `Track::init_sample_timin…
    CVE-2026-47251 (CVSS 6.8) — libheif is a HEIF and AVIF file format decoder and encoder. The fix for CVE-2026-3949 (commit `b97c8b5`, PR #1…
    CVE-2026-47247 (CVSS 7.5) — libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.0, two bugs in libheif chain…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High