p PatchFirst

ALSA-2026:38487

ALSA-2026:38487 · Important: xorg-x11-server security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fix(es): * xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow (CVE-2026-55999) 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.

Fix available

Published
Updated

Stack: system

Affected products and versions

  • xorg-x11-server-xdmx AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-xephyr AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-xnest AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-xorg AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-xvfb AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-common AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

  • xorg-x11-server-source AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 1.20.11-28.el8_10.3

    Update to 1.20.11-28.el8_10.3

Original sources

Check your server →