high7.3
CVE-2026-7598
A security vulnerability has been detected in libssh2 up to 1.11.1.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libssh2 | Libssh2 | through 1.11.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/libssh2/libssh2/
- https://github.com/libssh2/libssh2/commit/256d04b60d80bf1190e96b0ad1e91b2174d744b1
- https://github.com/libssh2/libssh2/pull/1858
- https://vuldb.com/submit/805564
- https://vuldb.com/vuln/360555
- https://vuldb.com/vuln/360555/cti
- https://access.redhat.com/errata/RHSA-2026:16736
- https://access.redhat.com/errata/RHSA-2026:61752
- https://access.redhat.com/errata/RHSA-2026:7021
- https://access.redhat.com/security/cve/CVE-2026-7598
- https://bugzilla.redhat.com/show_bug.cgi?id=2464597
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7598.json
- https://vuldb.com/submit/805564