UBUNTU-CVE-2020-27818

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    UBUNTU-CVE-2020-27818

    Published: 8 Dec 2020Last Modified: 20 May 2026
    Upstream:
    CVE-2020-27818
    Aliases:
    USN-6182-1

    Summary:

    Details: A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.

    References: https://ubuntu.com/security/CVE-2020-27818, https://bugzilla.redhat.com/show_bug.cgi?id=1902011, https://ubuntu.com/security/notices/USN-6182-1, https://www.cve.org/CVERecord?id=CVE-2020-27818

    Affected packages

    Package

    Name: pngcheck

    Purl: pkg:deb/ubuntu/pngcheck?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.0-7ubuntu0.16.04.1~esm1

    Affected versions

    2.3.0-7

    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-2020-27818 | CVE-DB