{"id":"DEBIAN-CVE-2026-111269","details":"libical through 4.0.6 contains a heap-based out-of-bounds read in icalvalue_decode_ical_string() in src/libical/icalvalue.c when decoding input ending in a backslash. Attackers can supply escaped iCalendar text with a trailing backslash, causing the loop to read past the terminator and crash the application or leak adjacent heap memory.","modified":"2026-10-17T12:00:08.264143088Z","published":"2026-10-15T22:19:27.680Z","upstream":["CVE-2026-111269"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-111269"}],"affected":[{"package":{"name":"libical3","ecosystem":"Debian:12","purl":"pkg:deb/debian/libical3?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.16-1","3.0.17-1","3.0.17-1.1","3.0.17-1.1~exp1","3.0.18-1","3.0.19-1","3.0.19-2","3.0.19-3","3.0.19-4","3.0.20-1","3.0.20-2","3.0.20-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-111269.json"}},{"package":{"name":"libical3","ecosystem":"Debian:13","purl":"pkg:deb/debian/libical3?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.20-1","3.0.20-2","3.0.20-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-111269.json"}},{"package":{"name":"libical3","ecosystem":"Debian:14","purl":"pkg:deb/debian/libical3?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.20-1","3.0.20-2","3.0.20-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-111269.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"}]}