ALSA-2020:4629

    Dashboard / Vulnerabilities / ALSA-2020:4629

    ALSA-2020:4629

    Published: 3 Nov 2020Last Modified: 4 Feb 2026

    Summary: Moderate: libvpx security update

    Details: The libvpx packages provide the VP8 SDK, which allows the encoding and decoding of the VP8 video codec, commonly used with the WebM multimedia container file format. Security Fix(es): * libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc (CVE-2019-2126) * libvpx: Out of bounds read in vp8_norm table (CVE-2019-9232) * libvpx: Resource exhaustion after memory leak in mkvparser.cc (CVE-2019-9371) * libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c (CVE-2019-9433) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://errata.almalinux.org/8/ALSA-2020-4629.html, https://vulners.com/cve/CVE-2019-2126, https://vulners.com/cve/CVE-2019-9232, https://vulners.com/cve/CVE-2019-9371, https://vulners.com/cve/CVE-2019-9433

    Affected packages

    Package

    Name: libvpx

    Purl: pkg:rpm/almalinux/libvpx

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.7.0-8.el8

    Affected versions

    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