ALSA-2020:4659

    Dashboard / Vulnerabilities / ALSA-2020:4659

    ALSA-2020:4659

    Published: 3 Nov 2020Last Modified: 4 Feb 2026

    Summary: Moderate: gd security update

    Details: GD is an open source code library for the dynamic creation of images by programmers. GD creates PNG, JPEG, GIF, WebP, XPM, BMP images, among other formats. Security Fix(es): * gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c (CVE-2019-6977) * gd: NULL pointer dereference in gdImageClone (CVE-2018-14553) * gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c (CVE-2019-6978) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://errata.almalinux.org/8/ALSA-2020-4659.html, https://vulners.com/cve/CVE-2018-14553, https://vulners.com/cve/CVE-2019-6977, https://vulners.com/cve/CVE-2019-6978

    Affected packages

    Package

    Name: gd

    Purl: pkg:rpm/almalinux/gd

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.5-7.el8

    Affected versions

    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