{"id":"GHSA-8h58-w33p-wq3g","aliases":[],"status":"published","title":"rPGP affected by crash in message handling for deeply nested messages","description":"### 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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2026-02-13T20:54:27Z","modified":"2026-02-13T21:12:16Z","fixes":[{"ecosystem":"crates.io","package":"pgp","fixed_in":["0.19.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"pgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.16.0-alpha.0"},{"fixed":"0.19.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"pgp","ranges":[{"type":"SEMVER","events":[{"introduced":"0.16.0-alpha.0"},{"fixed":"0.19.0"}]}]}],"references":[{"url":"https://github.com/rpgp/rpgp/security/advisories/GHSA-8h58-w33p-wq3g","tags":["web"]},{"url":"https://github.com/rpgp/rpgp/pull/625","tags":["web"]},{"url":"https://github.com/rpgp/rpgp/commit/e82f2c7494ba277d62fd372d69b2c008473bbef8","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8h58-w33p-wq3g"},{"url":"https://github.com/rpgp/rpgp","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-8h58-w33p-wq3g","title":"rPGP affected by crash in message handling for deeply nested messages","description":"### 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.","status":"published","published":"2026-02-13T20:54:27Z","modified":"2026-02-13T20:54:28Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:39:25.82905Z"}],"osv":[{"id":"GHSA-8h58-w33p-wq3g","title":"rPGP affected by crash in message handling for deeply nested messages","description":"### 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.","status":"published","published":"2026-02-13T20:54:27Z","modified":"2026-02-13T21:12:16.391317Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:46:42.437513Z"}]}}