CVE-2026-0665 describes an off-by-one error in QEMU's KVM Xen guest support, allowing a malicious guest to trigger out-of-bounds heap accesses in the QEMU process. This vulnerability, affecting QEMU, could lead to a denial of service or potential memory corruption. Rated 6.5 Medium, it requires local access and low privileges, with a high impact on availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, indicating awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Https://Gitlab.Com/Qemu-Project/Qemu | Qemu | >= 8.0.0, <= 10.2.0CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.