CVE-2018-5151

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

2.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/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

Critical. 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

2018-06-11 21:00Z8 YR AGO

Last updated

2024-08-05 05:26Z2 YR AGO

Reserved

2018-01-03

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

6c2193fd020bad6607beb1d023d7b34266c650d9c5f9f3c9f9f1c4d78aa72c10

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-11/x_refsource_CONFIRM
• www.securitytracker.com1040896http://www.securitytracker.com/id/1040896vdb-entryx_refsource_SECTRACK
• usn.ubuntu.comUSN-3645-1https://usn.ubuntu.com/3645-1/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com104139http://www.securityfocus.com/bid/104139vdb-entryx_refsource_BID
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1445234%2C1449530%2C1437455%2C1447989%2C1438827%2C1436983%2C1435036%2C1440465%2C1439723%2C1448771%2C1453653%2C1454359%2C1432323%2C1454126%2C1436759%2C1439655%2C1448612%2C1449358%2C1367727%2C1452417x_refsource_CONFIRM