CVE-2018-20199

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    CVE-2018-20199

    Published: 18 Dec 2018Last Modified: 8 Jul 2026

    Summary:

    Details: A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the ONLY_LONG_SEQUENCE case.

    References: https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html, https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html, https://security.gentoo.org/glsa/202006-17, https://www.debian.org/security/2022/dsa-5109, https://github.com/knik0/faad2/issues/24

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -365532ebc7772464a1aa17cefd3bfdce6648266d

    Affected versions

    2_8_8

    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