PatchTheCVElibtasn1 vulnerabilities and fixes
Recent CVEs affecting libtasn1, with upgrade or downgrade steps. 1 tracked.
libtasn1 has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-01-07. Highest priority: CVE-2025-13151 (score 49/100).
- CVE-2025-13151 HIGH 7.5 DOWNGRADE Stack-based buffer overflow in libtasn1 version: v4.20.0
FAQ
How do I fix libtasn1 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 libtasn1 being exploited right now?
None of the tracked libtasn1 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which libtasn1 CVE should I patch first?
CVE-2025-13151 currently ranks highest (49/100): Stack-based buffer overflow in libtasn1 version: v4.20.0.