openh264 vulnerabilities and fixes
Recent CVEs affecting openh264, with upgrade or downgrade steps. 1 tracked.
openh264 has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-02-20. Highest priority: CVE-2025-27091 (score 39/100).
- CVE-2025-27091 HIGH 7.5 UPGRADE OpenH264 is a free license codec library which supports H.264 encoding and decoding
FAQ
How do I fix openh264 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 openh264 being exploited right now?
None of the tracked openh264 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which openh264 CVE should I patch first?
CVE-2025-27091 currently ranks highest (39/100): OpenH264 is a free license codec library which supports H.264 encoding and decoding.