5.9

CVE-2026-59845

Libssh: libssh: denial of service via unchecked proxycommand fork() failure

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork() failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local 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 0.11% 0.014
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.9 1.5 4
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
RedHat 5.3 0.8 4
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H
CWE-390 Detection of Error Condition Without Action

The product detects a specific error, but takes no actions to handle the error.

https://access.redhat.com/security/cve/CVE-2026-59845
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2498178
Vendor Advisory
Issue Tracking
https://access.redhat.com/errata/RHSA-2026:42922
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:55855