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libxtst vulnerabilities

Vulnerability published for libxtst in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 2

CVE-2026-109088
Medium · CVSS 6.5EPSS 0.27%No fix published
libXtst RECORD EnableContext Reply Endless Loop
A malicious X server could send malformed RECORD EnableContext reolies that can cause a X client using the parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop.
libxtst Operating systems
Published October 27, 2026Updated October 27, 2026
Source advisory 1 ↗Source advisory 2 ↗
CVE-2026-94286
High · CVSS 7.1EPSS 0.2%Fix available
Out-of-bounds read in libXtst's RECORD reply parser
An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.
libxtst Operating systems
- Update to 2:1.2.3-1.1ubuntu0.1
Published September 28, 2026Updated September 30, 2026
Source advisory 1 ↗Source advisory 2 ↗

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