{"id":"DEBIAN-CVE-2026-93542","details":"An out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes() in libXi before 1.8.4 could be used by malicous servers to crash the X client.","modified":"2026-09-25T08:00:10.890903530Z","published":"2026-09-24T17:17:10.183Z","upstream":["CVE-2026-93542"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-93542"}],"affected":[{"package":{"name":"libxi","ecosystem":"Debian:12","purl":"pkg:deb/debian/libxi?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8-1","2:1.8-1+hurd.1","2:1.8.1-1","2:1.8.2-1","2:1.8.2-2","2:1.8.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93542.json"}},{"package":{"name":"libxi","ecosystem":"Debian:13","purl":"pkg:deb/debian/libxi?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8.2-1","2:1.8.2-2","2:1.8.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93542.json"}},{"package":{"name":"libxi","ecosystem":"Debian:14","purl":"pkg:deb/debian/libxi?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.8.2-1","2:1.8.2-2","2:1.8.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93542.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:N/I:N/A:H"}]}