CVE-2018-16847

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 45.2% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-11-02 22:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

1b6f55849c8220d64c2db97bed2643d2e1f0997fda359ef7bac1905a2f6c72f5

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847x_refsource_CONFIRM
• www.openwall.com[oss-security] 20181102 CVE-2018-16847 QEMU: nvme: Out-of-bounds r/w buffer access in cmb operationshttps://www.openwall.com/lists/oss-security/2018/11/02/1mailing-listx_refsource_MLIST
• lists.gnu.orghttps://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlx_refsource_MISC
• usn.ubuntu.comUSN-3826-1https://usn.ubuntu.com/3826-1/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com105866http://www.securityfocus.com/bid/105866vdb-entryx_refsource_BID