Buffer overflow in Mozilla Firefox
CVE-2020-15674
Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2020-42/ (Release Notes, Vendor Advisory)
- bugzilla.mozilla.org/buglist.cgi (Issue Tracking, Broken Link, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15674?
- CVE-2020-15674 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Locking. CVSS score: 8.8/10. Published 2020-10-01.
- How severe is CVE-2020-15674?
- High severity. CVSS v3 base score is 8.8 out of 10.