VDB

CVE-2026-0665

CVE-2026-0665 PUBLISHED CVSS 6.5 MEDIUM

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.

EPSS 0.17% · 5.8th percentile

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
EPSS Score
0.17%
5.8th percentile

Affected Products

VendorProductVersions
Red HatRed Hat OpenShift Container Platform 4
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 6
8.0.0, 8.0.0
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 10

Timeline

  • Jan 26, 2026 CVE Published
  • Feb 6, 2026 PoC Published
  • Feb 19, 2026 EPSS Score
  • Feb 21, 2026 EPSS Score
  • Feb 23, 2026 EPSS Score
  • Feb 25, 2026 EPSS Score
  • Feb 27, 2026 EPSS Score
  • Mar 2, 2026 EPSS Score
  • Mar 4, 2026 EPSS Score
  • Mar 6, 2026 EPSS Score
  • Mar 8, 2026 EPSS Score
  • Mar 10, 2026 EPSS Score
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