PatchTheCVEyubiserver vulnerabilities and fixes
Recent CVEs affecting yubiserver, with upgrade or downgrade steps. 2 tracked.
yubiserver has 2 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-06-26. Highest priority: CVE-2015-0843 (score 54/100).
- CVE-2015-0843 CRITICAL 9.8 DOWNGRADE yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf.
- CVE-2015-0842 CRITICAL 9.8 DOWNGRADE yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass.
FAQ
How do I fix yubiserver vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is yubiserver being exploited right now?
None of the tracked yubiserver CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which yubiserver CVE should I patch first?
CVE-2015-0843 currently ranks highest (54/100): yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf..