5.3

CVE-2026-59848

Libssh: libssh: denial of service via sftp responses with unknown request ids

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libssh ≫ Libssh Version-
Redhat ≫ Hardened Images Version-
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version9.0
Redhat ≫ Enterprise Linux Version10.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.31% 0.241
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
RedHat 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://access.redhat.com/security/cve/CVE-2026-59848
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2498181
Vendor Advisory
Issue Tracking
https://access.redhat.com/errata/RHSA-2026:42922
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:55855