Vulnerability in Eugeny Russh
CVE-2026-73429
Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEX_ECDH_REPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519…
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Eugeny Russh — versions < 0.62.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-73429?
- CVE-2026-73429 is a medium-severity vulnerability in Eugeny Russh, classified under Incorrect Type Conversion or Cast. CVSS score: 5.3/10. Published 2026-08-12.
- How severe is CVE-2026-73429?
- Medium severity. CVSS v3 base score is 5.3 out of 10.