CVE-2018-20198

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    CVE-2018-20198

    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 LONG_START_SEQUENCE case.

    References: https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html, https://seclists.org/bugtraq/2019/Sep/28, https://security.gentoo.org/glsa/202006-17, https://www.debian.org/security/2019/dsa-4522, https://github.com/knik0/faad2/issues/23

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 334e7647a5f31903aca33dde39bb8683e9d8cccd
    Fixed -None

    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
    CVE-2018-20198 | CVE-DB