{"id":"CVE-2026-13506","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-13506","summary":"Lazy ASN.1 sequence forcing resets nesting-depth guard","details":"In Bouncy Castle for Java before 1.85, Lazy ASN.1 sequence forcing resets nesting-depth guard. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).","published":"2026-08-03T02:56:49.476Z","modified":"2026-09-04T14:06:32.263160Z","cvss":null,"epss":{"score":0.0031,"percentile":0.23913,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":{"url":"https://github.com/bcgit/bc-java/commit/77454da9b3dcaaa2991412d1c3c1a6e1a338ff84","label":"bcgit/bc-java@77454da"},"references":[{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/"},{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java-lts/"},{"type":"WEB","url":"https://www.bouncycastle.org/download/bouncy-castle-java/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13506.json"},{"type":"ADVISORY","url":"https://github.com/bcgit/bc-java/wiki/CVE-2026-13506"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13506"},{"type":"FIX","url":"https://github.com/bcgit/bc-java/commit/77454da9b3dcaaa2991412d1c3c1a6e1a338ff84"},{"type":"PACKAGE","url":"https://github.com/bcgit/bc-java"},{"type":"PACKAGE","url":"https://github.com/bcgit/bc-lts-java"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-04T14:06:32.263160Z"}}