UBUNTU-CVE-2018-20547

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    UBUNTU-CVE-2018-20547

    Published: 28 Dec 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-20547

    Summary:

    Details: There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp data.

    References: https://ubuntu.com/security/CVE-2018-20547, https://bugzilla.redhat.com/show_bug.cgi?id=1652624, https://github.com/cacalabs/libcaca/issues/39, https://ubuntu.com/security/notices/USN-3860-1, https://ubuntu.com/security/notices/USN-3860-2, https://www.cve.org/CVERecord?id=CVE-2018-20547

    Affected packages

    Package

    Name: libcaca

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.99.beta18-1ubuntu5.1

    Affected versions

    0.99.beta18-1ubuntu2
    0.99.beta18-1ubuntu3
    0.99.beta18-1ubuntu4
    0.99.beta18-1ubuntu5

    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