rust-russh: Russh is a Rust SSH client and server library
CVE-2026-102822 is fixed in rust-russh on 1 platform by DEBIAN-CVE-2026-102822 (version 0.64.1-1), released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Russh is a Rust SSH client and server library. Prior to 0.63.1, a connection configured to permit mac=none can negotiate it with a MAC-requiring CTR or CBC block cipher because the selection logic validates needs_mac() only when MAC selection fails. A remote peer can then send a packet with a decrypted length of zero, causing russh/src/cipher/mod.rs to shrink the previously read block before indexing buffer.buffer[16..], which panics and terminates the connection task. This issue is fixed in version 0.63.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rust-russh · Debian 14 | 0.64.1-1 | DEBIAN-CVE-2026-102822 | Oct 16, 2026 |
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