| Name | CVE-2026-39827 |
| Description | An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection. |
| 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 | 1137516 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| golang-go.crypto (PTS) | bullseye | 1:0.0~git20201221.eec23a3-1 | vulnerable |
| bookworm | 1:0.4.0-1 | vulnerable |
| trixie | 1:0.25.0-1 | vulnerable |
| forky, sid | 1:0.52.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - golang-go.crypto <postponed> (Limited support, follow bookworm DSAs/point-releases)
https://www.openwall.com/lists/oss-security/2026/05/22/6
https://github.com/golang/go/issues/35127