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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

  1. 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.

    libxtstOperating systems
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗

  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.

    libxtstOperating systems
    • Update to 2:1.2.3-1ubuntu0.20.04.1~esm1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗

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