CVE-2018-15857

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    CVE-2018-15857

    Published: 25 Aug 2018Last Modified: 5 Sept 2026

    Summary:

    Details: An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

    References: https://access.redhat.com/errata/RHSA-2019:2079, https://security.gentoo.org/glsa/201810-05, https://usn.ubuntu.com/3786-1/, https://usn.ubuntu.com/3786-2/, https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb, https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -87046f56efc89d3b0771df9b4fefcda39ade3dd1

    Affected versions

    xkbcommon-0.8.0

    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-2018-15857 | CVE-DB