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CVE-2018-16847
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…
- 7.0HighCVSS base score
- 0.54%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By redhat
- 52 days later
· 52 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.54% · top 54% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Affected products
References
5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20181102 CVE-2018-16847 QEMU: nvme: Out-of-bounds r/w buffer access in cmb operations (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html (opens in a new tab)x_refsource_MISCx_transferred
- USN-3826-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 105866 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-8643 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-16847)Record last updated .