UBUNTU-CVE-2020-21896

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    UBUNTU-CVE-2020-21896

    Published: 22 Aug 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-21896
    Aliases:
    USN-7825-1

    Summary:

    Details: A Use After Free vulnerability in svg_dev_text_span_as_paths_defs function in source/fitz/svg-device.c in Artifex Software MuPDF 1.16.0 allows remote attackers to cause a denial of service via opening of a crafted PDF file.

    References: https://ubuntu.com/security/CVE-2020-21896, https://bugs.ghostscript.com/show_bug.cgi?id=701294, https://www.cve.org/CVERecord?id=CVE-2020-21896, http://www.ghostscript.com/cgi-bin/findgit.cgi?8719e07834d6a72b6b4131539e49ed1e8e2ff79e, https://ubuntu.com/security/notices/USN-7825-1

    Affected packages

    Package

    Name: mupdf

    Purl: pkg:deb/ubuntu/[email protected]+ds1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.12.0+ds1-1ubuntu0.1~esm1

    Affected versions

    1.11+ds1-1.1

    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
    UBUNTU-CVE-2020-21896 | CVE-DB