Improper Input Validation Affecting rust-russh package, versions <0.64.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN14-RUSTRUSSH-17311225
- published12 Jun 2026
- disclosed10 Jun 2026
Introduced: 10 Jun 2026
CVE-2026-48107 (opens in a new tab)How to fix?
Upgrade Debian:14 rust-russh to version 0.64.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-russh package and not the rust-russh package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
Russh is a Rust SSH client & server library. From version 0.37.0 to before version 0.61.0, in the russh client keyboard-interactive authentication path, a malicious SSH server could send a USERAUTH_INFO_REQUEST with an attacker-controlled prompt count, and the client would use that raw count directly in Vec::with_capacity(...) before validating that enough prompt data was actually present in the packet. This issue has been patched in version 0.61.0.