CVE-2026-106582
In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings.
OpenBSD OpenSSHOperating systems
CVSS
3.7LowExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 10.6OpenSSHCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Affected versions 1
- OpenSSHaffected: all versions before 10.6CVE List