CVE-2018-19491

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    CVE-2018-19491

    Published: 23 Nov 2018Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in post.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the PS_options function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when the Gnuplot postscript terminal is used as a backend.

    References: https://usn.ubuntu.com/4541-1/, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html, https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html, https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html, https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/, https://sourceforge.net/p/gnuplot/bugs/2094/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3a62a7533537cab5e409fcd64f7ddc33d8915c32
    Fixed -None

    Affected versions

    5.2.5

    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