Linux Distros Unpatched Vulnerability : CVE-2026-12205

critical Nessus Plugin ID 321125

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- Automatic update for perl-Crypt-DSA-1.21-1.fc45. ##### **Changelog** ``` * Mon Jun 15 2026 Paul Howarth <[email protected]> - 1.21-1 - Update to 1.21 - Fixed key material reuse for multiple signing events (CVE-2026-12205, CWE-323) - sign() reused the DSA nonce k across signatures (r and k^-1 were cached on the key and not regenerated), allowing private-key recovery from two signatures over different messages - Now generates a fresh nonce per signature - Keys used to sign more than once with an affected version should be considered compromised * Fri Jun 12 2026 Yaakov Selkowitz <[email protected]> - 1.20-2 - Rebuilt for openssl 4.0 ``` (CVE-2026-12205)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://security-tracker.debian.org/tracker/CVE-2026-12205

Plugin Details

Severity: Critical

ID: 321125

File Name: unpatched_CVE_2026_12205.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 6/15/2026

Updated: 6/15/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-12205

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libcrypt-dsa-perl, cpe:/o:debian:debian_linux:14.0, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/15/2026

Reference Information

CVE: CVE-2026-12205