{"id":"CVE-2005-0366","aliases":["EUVD-2005-0367","GHSA-gfxg-882h-6vf5"],"status":"published","title":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher...","description":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02946,"percentile":0.8725,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2005-02-11T05:00:00Z","modified":"2026-06-16T22:10:59Z","products":[{"vendor":"gnupg","product":"gnupg"}],"references":[{"url":"http://www.gentoo.org/security/en/glsa/glsa-200503-29.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"http://www.osvdb.org/13775","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2005:057","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Broken Link"]},{"url":"http://www.kb.cert.org/vuls/id/303094","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://securitytracker.com/id?1013166","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.pgp.com/library/ctocorner/openpgp.html","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/12529","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.novell.com/linux/security/advisories/2005_07_sr.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"http://eprint.iacr.org/2005/033.pdf","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory"]},{"url":"http://eprint.iacr.org/2005/033","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-0366"},{"url":"https://github.com/advisories/GHSA-gfxg-882h-6vf5"}],"sources":{"cve":[{"id":"CVE-2005-0366","description":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.","status":"published","published":"2005-02-11T05:00:00Z","modified":"2024-08-07T21:13:53.624Z","updated_at":"2026-11-02T14:33:40.578358Z"}],"euvd":[{"id":"EUVD-2005-0367","description":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.","status":"published","published":"2005-02-11T05:00:00Z","modified":"2024-08-07T21:13:53Z","updated_at":"2026-11-03T01:15:38.73276Z"}],"ghsa":[{"id":"GHSA-gfxg-882h-6vf5","title":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher...","description":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.","status":"published","published":"2022-05-01T01:48:47Z","modified":"2023-01-30T05:07:01Z","cwes":["CWE-326"],"updated_at":"2026-11-02T14:47:36.830865Z"}],"nvd":[{"id":"CVE-2005-0366","description":"The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.","status":"published","published":"2005-05-02T04:00:00Z","modified":"2026-06-16T22:10:59.007Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:00:54.933728Z"}]}}