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    CVE-2017-17129

    The ff_vc1_mc_4mv_chroma4 function in libavcodec/vc1_mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.

    Published:Dec 4, 2017
    Last Modified:Apr 20, 2025
    EPS:Dec 4, 2017
    EPSS Score:0.00374
    CVSS Score:8.8

    Affected Products

    Vendor
    Libav
    Product
    Libav

    Exploits

    https://bugzilla.libav.org/show_bug.cgi?id=1101https://bugzilla.libav.org/show_bug.cgi?id=1101

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-8585 (CVSS 1.9) — A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue …
    CVE-2025-8584 (CVSS 1.9) — A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the…
    CVE-2020-18776 (CVSS 6.5) — In Libav 12.3, there is a segmentation fault in vc1_decode_b_mb_intfr in vc1_block.c that allows an attacker t…
    CVE-2020-18778 (CVSS 6.5) — In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_p_mb_intfi in vc1_block.c that allows an a…
    CVE-2020-18775 (CVSS 6.5) — In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an a…
    CVE-2014-4609 (CVSS 8.8) — Integer overflow in the get_len function in libavutil/lzo.c in Libav before 0.8.13, 9.x before 9.14, and 10.x …
    CVE-2019-9720 (CVSS 6.5) — A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via …
    CVE-2019-9719 (CVSS 8.8) — A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via …
    CVE-2019-9717 (CVSS 6.5) — In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video…

    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