{"action":"Upgrade libxml2 to 2.15.4+dfsg-1 or later.","affected":[{"fixed":"2.15.4+dfsg-1","introduced":"0"}],"component":"libxml2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.15.4+dfsg-1"],"id":"tcs_01M5NW0VECRRB7WDZ7SBPFPEKJ","modified_at":"2026-10-04T15:00:08.358829373Z","published_at":"2026-09-05T05:17:11.490Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-86137","https://security-tracker.debian.org/tracker/CVE-2026-86137"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-86137#Debian:14/libxml2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-86137"}],"summary":"In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp."}