# CVE-2023-6258: pkcs11-provider: A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography...

CVE-2023-6258 is fixed in pkcs11-provider on 1 platform, first by DEBIAN-CVE-2023-6258, released January 30, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-6258
- Priority: High
- CVSS: 8.1 (high)
- EPSS: 0.0057
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 30, 2024

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pkcs11-provider Debian 13.5 (trixie) | 0.3-1 | [DEBIAN-CVE-2023-6258](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6258.md) | Jan 30, 2024 |
| Linux | pkcs11-provider Debian 14 | 0.3-1 | [DEBIAN-CVE-2023-6258](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6258.md) | Jan 30, 2024 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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