What is CVE-2023-6258?

CVE-2023-6258 is a high-severity vulnerability in Latchset Pkcs11-Provider, classified under CWE-1300. CVSS score: 8.1/10. Published 2024-01-30.

How severe is CVE-2023-6258?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Latchset Pkcs11-Provider

CVE-2023-6258

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.

Published 2024-01-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.8th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Latchset Pkcs11-Provider — versions 0.1
Fedora
Pkcs11-Provider — versions 0.2

Weakness classification (CWE)

References

bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
github.com/latchset/pkcs11-provider/pull/308 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-6258?: CVE-2023-6258 is a high-severity vulnerability in Latchset Pkcs11-Provider, classified under CWE-1300. CVSS score: 8.1/10. Published 2024-01-30.
How severe is CVE-2023-6258?: High severity. CVSS v3 base score is 8.1 out of 10.