OPENSUSE-SU-2026:21273-1: xorg-x11-server&distro=openSUSE Leap 16.0 openSUSE

CVSS: UnknownPublished
Published 08-07-2026Last modified 11-07-2026

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.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 11-07-2026
    Last 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 catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No 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

References

4 links