CVE-2026-57965 Spice-vdagent: integer overflow in udscs_write() leading to heap buffer overflow

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 virtua...