Read the docs
TI-2018-12057 Aliases CVE-2018-16847GHSA-pxrw-p8g9-545p

Out-of-bounds write in [UNKNOWN] QEMU:

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

Why it matters now

EPSS 0.00542 45th 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

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]QEMU:all versions—No fix listedCNA
  • QEMU: Vendor[UNKNOWN] Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 3.0.0VulnerableQEMU
cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*3.1.0 rc0VulnerableQEMU
cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*3.1.0 rc1VulnerableQEMU
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 3.0.0 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:* Versions 3.1.0 rc0 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:* Versions 3.1.0 rc1 Vulnerable ·QEMU
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 10 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 12 (Pike)
  • Red Hat OpenStack Platform 13 (Queens)
  • Red Hat OpenStack Platform 14 (Rocky)
  • Red Hat OpenStack Platform 8 (Liberty)
  • Red Hat OpenStack Platform 9 (Mitaka)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16847
  2. 2026-10-03 Alias added: GHSA-pxrw-p8g9-545p

References

Sources