Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-59845
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.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H.
Affected products
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-59845?
- CVE-2026-59845 is a medium-severity vulnerability in Red Hat Enterprise Linux 10. CVSS score: 5.3/10. Published 2026-07-21.
- How severe is CVE-2026-59845?
- Medium severity. CVSS v3 base score is 5.3 out of 10.