CVE-2026-57965: Red Hat Enterprise Linux

Medium severity, CVSS 5.1. EPSS: 0.1% chance of exploitation in the next 30 days.

A flaw was found in spice-vdagent. A malicious or compromised SPICE host can trigger an integer overflow by sending a specially crafted message. This vulnerability can lead to a heap buffer overflow, causing the spice-vdagent daemon to crash and resulting in a Denial of Service (DoS) for the virtual machine. This issue requires the SPICE host to be untrusted or compromised for exploitation.

Affected products

• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only; version 9.0 only; version 10.0 only
• Spice-Space Spice-Vdagent: affected versions not specified

Published 2026-06-29. Last modified 2026-07-08.