CVE-2026-46597

A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service (DoS) for the affected system.

This Important denial of service flaw in golang.org/x/crypto/ssh allows a remote attacker to trigger a server-side panic by sending specially crafted inputs to the AES-GCM packet decoder. This vulnerability could lead to service unavailability in Red Hat products that incorporate and expose SSH services built with the affected golang.org/x/crypto/ssh component.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.