UBUNTU-CVE-2021-45340

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-45340

    UBUNTU-CVE-2021-45340

    Published: 25 Jan 2022Last Modified: 20 May 2026
    Upstream:
    CVE-2021-45340

    Summary:

    Details: In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.

    References: https://ubuntu.com/security/CVE-2021-45340, https://github.com/libsixel/libsixel/issues/51, https://www.cve.org/CVERecord?id=CVE-2021-45340

    Affected packages

    Package

    Name: libsixel

    Purl: pkg:deb/ubuntu/libsixel?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.4.2-1

    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-2021-45340 | CVE-DB