High · published May 2, 2026
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.
| Product | Versions | Fixed in |
|---|---|---|
| libssh2/libssh2 | ≤ 1.11.1 | — |