PatchTheCVEssh2 vulnerabilities and fixes
Recent CVEs affecting ssh2, with upgrade or downgrade steps. 1 tracked.
ssh2 has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-03-09. Highest priority: CVE-2025-70034 (score 39/100).
- CVE-2025-70034 HIGH 7.5 DOWNGRADE An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh
FAQ
How do I fix ssh2 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 ssh2 being exploited right now?
None of the tracked ssh2 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ssh2 CVE should I patch first?
CVE-2025-70034 currently ranks highest (39/100): An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh.