CVE-2026-7598
Estado: ModificadaMedia (6.9)—
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
- Versión: 4.0
- Vector: CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 6.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.82%
- Percentil entre todas las CVEs puntuadas: 56
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-189, CWE-190
- CWE-190
Referencias
- 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
JSON original (NVD)
Mostrar
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