Buffer overflow in Mozilla Firefox
CVE-2018-5151
Memory safety bugs were reported in Firefox 59. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 60.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2018-11/ (Third Party Advisory)
- www.securitytracker.com/id/1040896 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3645-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/104139 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/buglist.cgi (Permissions Required, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-5151?
- CVE-2018-5151 is a critical-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-06-11.
- How severe is CVE-2018-5151?
- Critical severity. CVSS v3 base score is 9.8 out of 10.