CVE-2025-43023: HP Linux Imaging and Printing Software - Use of DSA Key

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-28 · updated 2026-06-17
Weakness: CWE-347

Description

A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software documentation. This potential vulnerability is due to the use of a weak code signing key, Digital Signature Algorithm (DSA).

Affected products

HP Inc. HP Linux Imaging and Printing Software (HPLIP): before 3.25.2 — fixed in 3.25.2

How to fix

Upgrade to a fixed version: HP Inc. HP Linux Imaging and Printing Software (HPLIP) 3.25.2. Check the vendor advisory for mitigations.

References

https://support.hp.com/us-en/document/ish_12804224-12804228-16/hpsbpi04033
http://www.openwall.com/lists/oss-security/2025/08/22/4

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