CVE-2026-7598
HIGHCVSS v3.1: 7.3 · EPSS: 0.0036 (27.5 percentile)
Source data as of:
At a glance
- Severity
- HIGH
- CVSS
- 7.3 v3.1 · NVD
- EPSS
- 0.0036 (27.5 percentile) · FIRST.org
- CISA KEV
- No
- Type
- Integer Overflow · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo privilegesNo user interaction · Source: NVD Vector
- Affected vendors
- libssh2
- Published
- 2026-05-01 · Modified: 2026-06-30
- References
- Jump to references (8)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
Description
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.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://github.com/libssh2/libssh2/
- Patch https://github.com/libssh2/libssh2/commit/256d04b60d80bf1190e96b0ad1e91b2174d744b1
- Reference https://github.com/libssh2/libssh2/pull/1858
- Reference https://vuldb.com/submit/805564
- Reference https://vuldb.com/vuln/360555
- Reference https://vuldb.com/vuln/360555/cti
- Distro https://access.redhat.com/errata/RHSA-2026:16736
- Distro https://access.redhat.com/errata/RHSA-2026:7021