Heap-based buffer overflow in QEMU, when built with the Q35-chipset-based PC system emulator.
Priority LOW 35CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Heap-based buffer overflow in QEMU, when built with the Q35-chipset-based PC system emulator.
Why it matters now
EPSS 0.00434 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 6 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8666
- 2026-10-03 Alias added: GHSA-q6xv-hggq-8w4h
References
Patch 1
Advisory 3
Sources
- CVE-2015-8666 · CVE Program
- CVE-2015-8666 · NVD
- FIRST EPSS
- GHSA-q6xv-hggq-8w4h · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8666 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences