USN-6555-1: xorg-server Ubuntu

CVSS: UnknownPublished
Published 13-12-2023Last modified 27-04-2026
Open JSON

Vulnerability summary

USN-6555-1 is a vulnerability in xorg-server Ubuntu 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
CVE-2023-6377CVE-2023-6478

Timeline

  1. 13-12-2023
    PublishedVulnerability first disclosed.
  2. 27-04-2026
    Last modifiedVulnerability information updated.

Description

xorg-server, xwayland vulnerabilities Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478)

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

Ubuntu2 products
  • xorg-server< 2:1.20.13-1ubuntu1~20.04.12 | < 2:21.1.4-2ubuntu1.7~22.04.5
  • xwayland< 2:22.1.1-1ubuntu0.9

1 vendor · 2 products

References

3 links