{"id":"CVE-2023-39908","aliases":["EUVD-2023-43608","GHSA-m369-7f44-fp6w"],"status":"published","title":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of...","description":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00575,"percentile":0.47903,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-08-14T00:00:00Z","modified":"2026-06-17T06:12:56Z","products":[{"vendor":"yubico","product":"yubihsm_2_sdk"}],"references":[{"url":"https://www.yubico.com/support/security-advisories/ysa-2023-01/","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://blog.inhq.net/posts/yubico-yubihsm-pkcs-vuln/","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39908"},{"url":"https://blog.inhq.net/posts/yubico-yubihsm-pkcs-vuln"},{"url":"https://www.yubico.com/support/security-advisories/ysa-2023-01"},{"url":"https://github.com/advisories/GHSA-m369-7f44-fp6w"}],"sources":{"cve":[{"id":"CVE-2023-39908","description":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T15:05:26.74Z","updated_at":"2026-11-02T14:35:33.138994Z"}],"euvd":[{"id":"EUVD-2023-43608","description":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T15:05:26Z","updated_at":"2026-11-03T00:27:43.39457Z"}],"ghsa":[{"id":"GHSA-m369-7f44-fp6w","title":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of...","description":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.","status":"published","published":"2023-08-14T21:30:59Z","modified":"2024-04-04T06:55:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:56:46.449942Z"}],"nvd":[{"id":"CVE-2023-39908","description":"The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.","status":"published","published":"2023-08-14T19:15:13.243Z","modified":"2026-06-17T06:12:56.163Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}