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    CVE-2018-5766

    In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.

    Published:Jan 18, 2018
    Last Modified:Nov 21, 2024
    EPS:Jan 18, 2018
    EPSS Score:0.00773
    CVSS Score:8.8

    Affected Products

    Vendor
    Libav
    Product
    Libav

    Exploits

    https://bugzilla.libav.org/show_bug.cgi?id=1112https://bugzilla.libav.org/show_bug.cgi?id=1112

    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