Libssh: libssh: denial of service via sftp responses with unknown request ids (Red Hat Red Hat Enterprise Linux 10)

CVE-2026-59848
MEDIUM 5.3

En bref

Source
NVD
EPSS
EPSS 0.34 % · centile 28 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
redhat
Statut NVD
Modified

Description

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service.

Faiblesses (CWE)

  • CWE-770 — Allocation de ressources sans limite ni régulation

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lredhat
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LNVD · secalert@redhat.com (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Red Hat · Red Hat Enterprise Linux 10unaffected 0:0.12.0-3.el10_2 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:0.9.6-17.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:0.9.6-17.el8_10 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:0.10.4-19.el9_8 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:0.10.4-19.el9_8 < *
Red Hat · Red Hat Hardened Imagesunaffected 0.12.1-4.hum1 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD