{"id":"UBUNTU-CVE-2026-94286","details":"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.","modified":"2026-09-29T23:42:33.113997770Z","published":"2026-09-29T00:00:00Z","upstream":["CVE-2026-94286"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-94286"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-94286"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/10"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/10/diffs?commit_id=16023c86070e6af9407330deea3938fcef75815b"}],"affected":[{"package":{"name":"libxtst","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxtst6","binary_version":"2:1.2.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}},{"package":{"name":"libxtst","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxtst6","binary_version":"2:1.2.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}},{"package":{"name":"libxtst","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxtst6","binary_version":"2:1.2.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}},{"package":{"name":"libxtst","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.3-1build2","2:1.2.3-1build3","2:1.2.3-1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"libxtst6","binary_version":"2:1.2.3-1build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}},{"package":{"name":"libxtst","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.3-1.1","2:1.2.3-1.1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.2.3-1.1build1","binary_name":"libxtst6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}},{"package":{"name":"libxtst","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libxtst?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.2.5-1","2:1.2.5-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxtst6","binary_version":"2:1.2.5-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}