{"id":"GHSA-8h58-w33p-wq3g","summary":"rPGP affected by crash in message handling for deeply nested messages","details":"### Summary\nPrevious rPGP versions could be caused to crash with a \"stack overflow\" when parsing messages that contain deeply nested message layers, such as messages with many signatures.\n\nrPGP 0.19.0 resolves this issue with a more robust message handling implementation (via https://github.com/rpgp/rpgp/pull/625).\n\n### Impact\nAn attacker could cause applications to crash in rPGP's message parsing subsystem, when applications attempt to ingest messages.\n\n### Attribution\nDiscovered internally during rPGP development, using a fuzz test suite previously contributed by Christian Reitter.","modified":"2026-02-13T21:12:16.391317Z","published":"2026-02-13T20:54:27Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-02-13T20:54:27Z","nvd_published_at":null,"cwe_ids":["CWE-121"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/rpgp/rpgp/security/advisories/GHSA-8h58-w33p-wq3g"},{"type":"WEB","url":"https://github.com/rpgp/rpgp/pull/625"},{"type":"WEB","url":"https://github.com/rpgp/rpgp/commit/e82f2c7494ba277d62fd372d69b2c008473bbef8"},{"type":"PACKAGE","url":"https://github.com/rpgp/rpgp"}],"affected":[{"package":{"name":"pgp","ecosystem":"crates.io","purl":"pkg:cargo/pgp"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.16.0-alpha.0"},{"fixed":"0.19.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-8h58-w33p-wq3g/GHSA-8h58-w33p-wq3g.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}