PatchTheCVEswiftnio ssh vulnerabilities and fixes
Recent CVEs affecting swiftnio ssh, with upgrade or downgrade steps. 1 tracked.
Also searched as: swiftniossh.
swiftnio ssh has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-20. Highest priority: CVE-2026-43798 (score 49/100).
- CVE-2026-43798 CRITICAL 9.8 UPGRADE A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacke
FAQ
How do I fix swiftnio ssh 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 swiftnio ssh being exploited right now?
None of the tracked swiftnio ssh CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which swiftnio ssh CVE should I patch first?
CVE-2026-43798 currently ranks highest (49/100): A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacke.