mruby\/c vulnerabilities and fixes
Recent CVEs affecting mruby\/c, with upgrade or downgrade steps. 1 tracked.
mruby\/c has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-11-19. Highest priority: CVE-2025-13397 (score 13/100).
- CVE-2025-13397 LOW 3.3 UPGRADE A security vulnerability has been detected in mrubyc up to 3.4
FAQ
How do I fix mruby\/c 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 mruby\/c being exploited right now?
None of the tracked mruby\/c CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which mruby\/c CVE should I patch first?
CVE-2025-13397 currently ranks highest (13/100): A security vulnerability has been detected in mrubyc up to 3.4.