Buffer overflow in Mozilla Firefox
CVE-2018-12388
Mozilla developers and community members reported memory safety bugs present in Firefox 62. 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 < 63.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
- Mozilla Firefox — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2018-26/ (Vendor Advisory)
- bugzilla.mozilla.org/buglist.cgi (Vendor Advisory, Permissions Required, Issue Tracking)
- www.securityfocus.com/bid/105721 (Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3801-1/ (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1041944 (Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-12388?
- CVE-2018-12388 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2019-02-28.
- How severe is CVE-2018-12388?
- High severity. CVSS v3 base score is 8.8 out of 10.