OPENSUSE-SU-2026:21273-1: xorg-x11-server&distro=openSUSE Leap 16.0 openSUSE
Vulnerability summary
OPENSUSE-SU-2026:21273-1 is a vulnerability in xorg-x11-server&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.
Advisory lineage
Upstream 2 · Downstream 0 · Related 2Timeline
- 08-07-2026PublishedVulnerability first disclosed.
- 11-07-2026Last modifiedVulnerability information updated.
Description
Security update for xorg-x11-server This update for xorg-x11-server fixes the following issues - CVE-2026-55999: missing bounds check in `glamor_font_get` can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed (bsc#1268893). - CVE-2026-56000: improper memory management in `CommonMakeCurrent` can lead to a heap use-after-free when an interaction with a malicious client creating GLX contexts happens (bsc#1268894).
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Opensuse1 product
- xorg-x11-server&distro=openSUSE Leap 16.0< 21.1.15-160000.6.1
1 vendor · 1 product