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    CVE-2020-21604

    libde265 v1.0.4 contains a heap buffer overflow fault in the _mm_loadl_epi64 function, which can be exploited via a crafted a file.

    Published:Sep 16, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 16, 2021
    EPSS Score:0.00092
    CVSS Score:6.5

    Affected Products

    Vendor
    Struktur
    Product
    Libde265

    Exploits

    https://github.com/strukturag/libde265/issues/231https://github.com/strukturag/libde265/issues/231

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-45383 (CVSS 6.9) — libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.0.19 have a heap buffe…
    CVE-2026-45382 (CVSS 6.9) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, `decoder_context:…
    CVE-2026-49346 (CVSS 7.1) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bi…
    CVE-2026-49295 (CVSS 7.1) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 b…
    CVE-2026-49337 (CVSS 4.3) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequenc…
    CVE-2026-33164 (CVSS 8.7) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265…
    CVE-2026-33165 (CVSS 5.5) — libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bi…
    CVE-2025-61147 (CVSS 6.2) — strukturag libde265 commit d9fea9d wa discovered to contain a segmentation fault via the component decoder_con…
    CVE-2024-38949 (CVSS 6.5) — Heap Buffer Overflow vulnerability in Libde265 v1.0.15 allows attackers to crash the application via crafted p…
    CVE-2024-38950 (CVSS 6.5) — Heap Buffer Overflow vulnerability in Libde265 v1.0.15 allows attackers to crash the application via crafted p…

    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