{"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_01M5NW0WB395JZCYY8D215SZMG","modified_at":"2026-10-01T03:03:44.123850671Z","published_at":"2026-09-05T05:17:12.877Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-86140","https://security-tracker.debian.org/tracker/CVE-2026-86140"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-86140#Debian:14/libxml2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-86140"}],"summary":"In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow."}