{"id":"UBUNTU-CVE-2026-109090","details":"A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.","modified":"2026-10-28T20:16:20.272711315Z","published":"2026-10-27T17:16:00Z","upstream":["CVE-2026-109090"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-109090"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-109090"},{"type":"REPORT","url":"https://lists.x.org/archives/xorg-announce/2026-October/003752.html"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/26"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/4eb9f70b6"}],"affected":[{"package":{"name":"libxi","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.7.4-1","2:1.7.5-1","2:1.7.6-1","2:1.7.6-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.7.6-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.7.9-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.7.9-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.7.10-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.7.10-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.7.10-1build2","2:1.7.10-1build3","2:1.8-1","2:1.8-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.8-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8-1build1","2:1.8.1-1","2:1.8.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.8.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8.2-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.8.2-2","binary_name":"libxi6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}},{"package":{"name":"libxi","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libxi?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8.2-1","2:1.8.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libxi6","binary_version":"2:1.8.2-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109090.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}