Debian/libssh: low 3.9
A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.
Action: Upgrade libssh to 0.12.1-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.12.1-1 | - |
Fixed versions
| 0.12.1-1 |
Sources
- osv: DEBIAN-CVE-2026-59846#Debian:14/libssh
- https://security-tracker.debian.org/tracker/CVE-2026-59846
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