Buffer overflow in Mozilla Firefox
CVE-2017-5471
Memory safety bugs were reported in Firefox 53. 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 < 54.
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: 0.018 (78.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.018 · change: +0.002
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- www.securityfocus.com/bid/99042 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2017-15/ (Vendor Advisory)
- www.securitytracker.com/id/1038689 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/buglist.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5471?
- CVE-2017-5471 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-2017-5471?
- Critical severity. CVSS v3 base score is 9.8 out of 10.