VulnerabilityModified
CVE-2026-7598
A security vulnerability has been detected in libssh2 up to 1.11.1.
MEDIUM 6.9EPSS 0.47%
Does this matter?
Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.47% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189, CWE-190
- Affected
- libssh2/libssh2
- Source
- cna@vuldb.com
References
- https://github.com/libssh2/libssh2/Product
- https://github.com/libssh2/libssh2/commit/256d04b60d80bf1190e96b0ad1e91b2174d744b1Patch
- https://github.com/libssh2/libssh2/pull/1858Issue Tracking
- https://vuldb.com/submit/805564Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360555Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360555/ctiPermissions Required, VDB Entry
- 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/805564Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.