VDB
DEBIAN-CVE-2026-0665
DEBIAN-CVE-2026-0665
PUBLISHED
CVSS 6.5 MEDIUM
Record from OSV · Published February 18, 2026
An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| qemu | Debian:13 | 1:10.0.8+ds-0+deb13u1 |
| qemu | Debian:14 | 1:10.2.0+ds-2 |
Risk scores
CVSS 3.1
6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | qemu | 0, 1:10.0.2+ds-2, 1:10.0.2+ds-2+deb13u1 |
| Debian:14 | qemu | 0, 1:10.0.2+ds-2, 1:10.0.3+ds-1 |
Timeline
- Feb 18, 2026 CVE Published
- Oct 1, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2026-0665
vulnetix vdb fixes DEBIAN-CVE-2026-0665
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2026-0665/fixes/registry"
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