{"action":"Upgrade expat to 2.5.0-1+deb12u5 or later.","affected":[{"fixed":"2.5.0-1+deb12u5","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.5.0-1+deb12u5"],"id":"tcs_01M5NVDXA0YMG85QBQR2RGVSPW","modified_at":"2026-10-22T09:00:06.689399022Z","published_at":"2026-10-07T15:17:53.327Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-77214","https://security-tracker.debian.org/tracker/CVE-2026-77214"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-77214","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-77214"}],"summary":"libexpat before commit 13c5f63 contains a heap buffer over-read vulnerability in xmlparse.c. XML_ParseBuffer advances the parse buffer end with parser->m_bufferEnd += len using a caller-supplied lengt"}