{"action":"Upgrade php8.4 to 8.4.26-1~deb13u1 or later.","affected":[{"fixed":"8.4.26-1~deb13u1","introduced":"0"}],"component":"php8.4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["8.4.26-1~deb13u1"],"id":"tcs_01M5NWMKY05R0AGNK706G11QX7","modified_at":"2026-10-11T17:01:19.996521421Z","published_at":"2026-09-25T21:17:24.793Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-91767","https://security-tracker.debian.org/tracker/CVE-2026-91767"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-91767#Debian:13/php8.4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-91767"}],"summary":"php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are togeth"}