{"id":"CVE-2022-23408","aliases":["DEBIAN-CVE-2022-23408","EUVD-2022-28486","GHSA-xx9h-ppjx-3rjx","UBUNTU-CVE-2022-23408"],"status":"published","title":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects...","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01379,"percentile":0.72292,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-330"],"published":"2022-01-18T20:20:15Z","modified":"2026-10-28T10:27:51Z","fixes":[{"ecosystem":"Debian:12","package":"wolfssl","fixed_in":["5.1.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wolfssl","fixed_in":["5.1.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.8+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.2+dfsg-2","3.12.0+dfsg-1","3.12.2+dfsg-1","3.13.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0+dfsg-2","4.2.0+dfsg-1","4.2.0+dfsg-2","4.2.0+dfsg-3","4.3.0+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.0-3","5.0.0-1","5.1.1-1","5.2.0-1","5.2.0-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.4-2","5.5.4-2.1","5.6.4-2","5.6.6-1.2","5.6.6-1.3","5.6.6-1.3build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7.2-0.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.1-0.1","5.9.2-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7.2-0.1","5.8.2-1.2","5.8.4-1","5.9.1-0.1"]}],"products":[{"vendor":"wolfssl","product":"wolfssl"}],"references":[{"url":"https://github.com/wolfSSL/wolfssl/pull/4710","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","fix","report"]},{"url":"https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23408","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xx9h-ppjx-3rjx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23408.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-23408","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-23408","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-23408","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-23408","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T20:20:15Z","modified":"2024-08-03T03:43:45.85Z","updated_at":"2026-11-02T14:34:29.842547Z"}],"euvd":[{"id":"EUVD-2022-28486","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T20:20:15Z","modified":"2024-08-03T03:43:45Z","updated_at":"2026-11-03T03:25:51.181739Z"}],"ghsa":[{"id":"GHSA-xx9h-ppjx-3rjx","title":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects...","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-19T00:00:53Z","modified":"2023-02-03T05:04:38Z","cwes":["CWE-330"],"updated_at":"2026-11-02T14:53:35.806518Z"}],"nvd":[{"id":"CVE-2022-23408","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T21:15:07.863Z","modified":"2026-06-17T04:29:59.1Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:07:10.836864Z"}],"osv":[{"id":"DEBIAN-CVE-2022-23408","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T21:15:07.863Z","modified":"2026-11-03T08:02:41.866198487Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-03T08:24:39.643572Z"},{"id":"UBUNTU-CVE-2022-23408","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T21:15:00Z","modified":"2026-10-17T12:56:02.550137242Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T16:53:53.13624Z"},{"id":"CVE-2022-23408","description":"wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.","status":"published","published":"2022-01-18T20:20:15Z","modified":"2026-10-28T10:27:51.09504575Z","updated_at":"2026-11-02T15:44:24.061177Z"}]}}