UnratedRed Hat & Ubuntu Linux
pbkdf2 vulnerability
USN-8452-1 Published Jun 18, 2026
CVE-2025-6545
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Nikita Skovoroda discovered that pbkdf2 did not properly validate certain algorithm names. An attacker could possibly use this issue to generate predictable cryptographic keys, resulting in signature spoofing. Affected Ubuntu releases: 24.04, 22.04, 20.04, 18.04. CVEs: CVE-2025-6545.
Affected versions
- Ubuntu 24.04
- Ubuntu 22.04
- Ubuntu 20.04
- Ubuntu 18.04
Official advisory · medium-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).
Official advisory · medium-confidence parse· fetched 4 hours ago·verify at source
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