CVE-2023-6258 HIGH

CVE-2023-6258: Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths

Vendor Fedora
Product Fedora
Weakness CWE-1300
Published January 30, 2024
Last update June 17, 2025

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 30, 2024 CVE published
June 17, 2025 Record updated