CVE-2026-55999

Public on 2026-07-08
Modified on 2026-07-10
Description
glamor Font Atlas Heap Buffer Overflow
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
8.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core xorg-x11-server 2026-07-20 ALAS2-2026-3806 Fixed
Amazon Linux 2023 xorg-x11-server 2026-07-20 ALAS2023-2026-1943 Fixed
Amazon Linux 2023 xorg-x11-server-Xwayland 2026-07-20 ALAS2023-2026-1944 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H