CVE-2026-57965 — MEDIUM (5.1)

Vulnerability Description

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.

CVSS Score

5.1

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

HIGH

Affected Products

Vendor	Product	Versions
Redhat	Enterprise Linux	6.0
Spice-Space	Spice-Vdagent	-

Related Weaknesses (CWE)

CWE-190

References

https://access.redhat.com/security/cve/CVE-2026-57965Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2493581Issue TrackingVendor Advisory

FAQ

What is CVE-2026-57965?

CVE-2026-57965 is a vulnerability with a CVSS score of 5.1 (MEDIUM). 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, ...

How severe is CVE-2026-57965?

CVE-2026-57965 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-57965?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Spice-Space Spice-Vdagent.