{"action":"Upgrade libwebsockets to 4.3.5-1+deb13u3 or later.","affected":[{"fixed":"4.3.5-1+deb13u3","introduced":"0"}],"component":"libwebsockets","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.3.5-1+deb13u3"],"id":"tcs_01M5NQXYEJR9F68PR9A7M21MQ8","modified_at":"2026-10-01T04:00:06.720392341Z","published_at":"2026-09-15T19:17:17.747Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-19773","https://security-tracker.debian.org/tracker/CVE-2026-19773"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-19773#Debian:13/libwebsockets","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-19773"}],"summary":"libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations o"}