CVE-2026-57965
Spice-vdagent: integer overflow in udscs_write() leading to heap buffer overflow
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.
INFO
Published Date :
June 29, 2026, 7:53 a.m.
Last Modified :
June 29, 2026, 8:06 a.m.
Remotely Exploit :
No
Source :
redhat
Affected Products
The following products are affected by CVE-2026-57965
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 53f830b8-0a3f-465b-8143-3b8a9948e749 |
Solution
- Update spice-vdagent to the latest version.
- Apply relevant patches from the vendor.
- Ensure SPICE host is trusted and secure.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57965 vulnerability anywhere in the article.