{"action":"Upgrade bouncycastle to 1.86-1 or later.","affected":[{"fixed":"1.86-1","introduced":"0"}],"component":"bouncycastle","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.86-1"],"id":"tcs_01M5NQEXD2W18VN9M5RN7BAS5K","modified_at":"2026-10-24T09:47:34.169073990Z","published_at":"2026-08-03T04:16:39.640Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-12852","https://security-tracker.debian.org/tracker/CVE-2026-12852"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-12852#Debian:14/bouncycastle","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-12852"}],"summary":"In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check."}