{"action":"Upgrade pcre2 to 10.21-1 or later.","affected":[{"fixed":"10.21-1","introduced":"0"}],"component":"pcre2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["10.21-1"],"id":"tcs_01M5NBJEB092KT2VB7RNA5996K","modified_at":"2026-09-22T07:00:43.000024020Z","published_at":"2016-03-17T23:59:01.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-3191","https://security-tracker.debian.org/tracker/CVE-2016-3191"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-3191","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-3191"}],"summary":"The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parenth"}