Unrated severityNVD Advisory· Published Jan 30, 2024· Updated Jun 17, 2025
Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths
CVE-2023-6258
Description
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.
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Affected products
2- Fedora/Fedorav5
Patches
Vulnerability mechanics
References
2- bugzilla.redhat.com/show_bug.cgimitreissue-trackingx_refsource_REDHAT
- github.com/latchset/pkcs11-provider/pull/308mitre
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