CVE-2026-57965 MEDIUM

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

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-190
Published June 29, 2026
Last update June 29, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 29, 2026 CVE published
June 29, 2026 Record updated