{"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_01M5NQD6J959TECT9E8Z3JPG0F","modified_at":"2026-10-26T11:47:34.197714808Z","published_at":"2026-06-29T14:16:40.593Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-11979","https://security-tracker.debian.org/tracker/CVE-2026-11979"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-11979#Debian:14/libxml2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-11979"}],"summary":"libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell() function processes user input using fixed-size stack buffers with"}