CVE-2025-54804 Russh is missing an overflow check during channel windows adjust

Russh is a Rust SSH client & server library. In versions 0.54.0 and below, the channel window adjust message of the SSH protocol is used to track the free space in the receive buffer of the other side of a channel. The current implementation takes the value from the message and adds it to an...

CVE-2025-54804

Russh is a Rust SSH client/server library. In versions ≤0.54.0, CHANNEL_WINDOW_ADJUST handling computes recipient_window_size from the decoded value without proper overflow checks, causing an integer overflow that can crash the server. The issue is fixed in version 0.54.1. Attacker impact is serv...

CVE-2025-54804

Russh is a Rust SSH client & server library. In versions 0.54.0 and below, the channel window adjust message of the SSH protocol is used to track the free space in the receive buffer of the other side of a channel. The current implementation takes the value from the message and adds it to an...

GHSA-H5RC-J5F5-3GCM russh is missing overflow checks during channel windows adjust

Summary The channel window adjust message of the SSH protocol is used to track the free space in the receive buffer of the other side of a channel. The current implementation takes the value from the message and adds it to an internal state value. This can result in a integer overflow. If the Rus...

russh is missing overflow checks during channel windows adjust

Summary The channel window adjust message of the SSH protocol is used to track the free space in the receive buffer of the other side of a channel. The current implementation takes the value from the message and adds it to an internal state value. This can result in a integer overflow. If the Rus...

PT-2025-31887 · Russh · Russh

Name of the Vulnerable Software and Affected Versions: Russh versions 0.54.0 and earlier Description: Russh is a Rust SSH client & server library. The implementation of the SSH protocol's channel window adjust message does not properly validate the incoming value, leading to a potential integer...