CVE-2026-59845

Description

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 Vector

References

• https://access.redhat.com/security/cve/CVE-2026-59845
• https://bugzilla.redhat.com/show_bug.cgi?id=2498178