CVE-2020-36773

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    CVE-2020-36773

    Published: 4 Feb 2024Last Modified: 20 Oct 2026

    Summary:

    Details: Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).

    References: https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874, https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530, https://bugzilla.opensuse.org/show_bug.cgi?id=1177922, https://bugs.ghostscript.com/show_bug.cgi?id=702229

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 16c7521e7784c75cbdc5ab31f4fe407eb7d72ae9
    Fixed -None

    Affected versions

    9.51

    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-2020-36773 | CVE-DB