{"action":"Upgrade org.bouncycastle:bcprov-lts8on to 2.73.12 or later.","affected":[{"fixed":"2.73.12","introduced":"0"}],"component":"org.bouncycastle:bcprov-lts8on","cve_ids":["CVE-2026-13506"],"ecosystem":"Maven","epss":0.00493,"exploited":false,"fixed_versions":["2.73.12"],"ghsa_id":"GHSA-qp49-qgx5-5m26","id":"tcs_01M5N99W42N922V51D0RBKGCE6","modified_at":"2026-09-18T17:45:06.096277818Z","published_at":"2026-08-03T06:31:44Z","references":["https://osv.dev/vulnerability/GHSA-qp49-qgx5-5m26","https://nvd.nist.gov/vuln/detail/CVE-2026-13506","https://github.com/bcgit/bc-java/commit/77454da9b3dcaaa2991412d1c3c1a6e1a338ff84","https://github.com/bcgit/bc-java","https://github.com/bcgit/bc-java/wiki/CVE-2026-13506"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-qp49-qgx5-5m26#Maven/org.bouncycastle:bcprov-lts8on","url":"https://osv.dev/vulnerability/GHSA-qp49-qgx5-5m26"}],"summary":"Bouncy Castle: Lazy ASN.1 sequence forcing resets nesting-depth guard"}