| Name | CVE-2026-35388 |
| Description | OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1132575 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openssh (PTS) | bullseye | 1:8.4p1-5+deb11u3 | vulnerable |
| bullseye (security) | 1:8.4p1-5+deb11u6 | vulnerable |
| bookworm | 1:9.2p1-2+deb12u7 | vulnerable |
| bookworm (security) | 1:9.2p1-2+deb12u9 | vulnerable |
| trixie | 1:10.0p1-7+deb13u1 | vulnerable |
| trixie (security) | 1:10.0p1-7+deb13u2 | vulnerable |
| forky, sid | 1:10.3p1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openssh | source | (unstable) | 1:10.3p1-1 | | | 1132575 |
Notes
[trixie] - openssh <no-dsa> (Minor issue)
[bookworm] - openssh <no-dsa> (Minor issue)
[bullseye] - openssh <no-dsa> (Minor issue)
https://www.openssh.org/releasenotes.html#10.3p1