PatchTheCVEwebrick vulnerabilities and fixes
Recent CVEs affecting webrick, with upgrade or downgrade steps. 1 tracked.
webrick has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-06-25. Highest priority: CVE-2025-6442 (score 36/100).
- CVE-2025-6442 MEDIUM 5.9 UPGRADE Ruby WEBrick read_header HTTP Request Smuggling Vulnerability
FAQ
How do I fix webrick 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 webrick being exploited right now?
None of the tracked webrick CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which webrick CVE should I patch first?
CVE-2025-6442 currently ranks highest (36/100): Ruby WEBrick read_header HTTP Request Smuggling Vulnerability.