{"id":"UBUNTU-CVE-2023-6258","details":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","modified":"2025-07-16T08:29:49.599389Z","published":"2024-01-30T17:15:00Z","withdrawn":"2025-07-18T16:54:14Z","upstream":["CVE-2023-6258"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6258"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2251062"},{"type":"REPORT","url":"https://github.com/latchset/pkcs11-provider/pull/308"},{"type":"REPORT","url":"https://github.com/latchset/pkcs11-provider/commit/de52d24c1b4b0bdc3a49a23db0f3231e209c3c68"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-6258"}],"affected":[{"package":{"name":"pkcs11-provider","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pkcs11-provider@0.3-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3-1"}]}],"versions":["0.2+g20231107-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"pkcs11-provider","binary_version":"0.3-1"},{"binary_name":"pkcs11-provider-dbgsym","binary_version":"0.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6258.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}