USN-8939-1: libxtst Ubuntu
Vulnerability summary
USN-8939-1 is a vulnerability in libxtst Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 3 · Downstream 0Timeline
- 19-10-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
libxtst vulnerabilities It was discovered that libXtst did not properly handle certain RECORD replies from the X server. A malicious X server could possibly use this issue to cause libXtst clients to crash, resulting in a denial of service. (CVE-2026-94286) Tobias Stoeckmann discovered that libXtst did not properly handle certain memory operations. A malicious X server could possibly use this issue to cause libXtst to access memory out of bounds, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7951) Tobias Stoeckmann discovered that libXtst did not properly handle certain replies from the X server. A malicious X server could possibly use this issue to cause libXtst to enter an infinite loop, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7952)
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
Ubuntu1 product
- libxtst< 2:1.2.2-1ubuntu0.1~esm1 | < 2:1.2.3-1ubuntu0.18.04.1~esm1 | < 2:1.2.3-1ubuntu0.20.04.1~esm1 | < 2:1.2.3-1ubuntu0.22.04.1 | < 2:1.2.3-1.1ubuntu0.1 | < 2:1.2.5-1ubuntu1 | < 2:1.2.5-1ubuntu0.1
1 vendor · 1 product