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.

LowVendor CVSS 3.7 / 10 1 CVE Published Oct 8, 2026 at 1:13 AM UTC

Summary

Mariner

Release Notes

Oct 8, 2026 at 1:13 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Oct 12, 2026 at 10:25 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 21, 2026 at 1:15 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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