Buffer overflow in Mozilla Firefox
CVE-2016-9066
A buffer overflow resulting in a potentially exploitable crash due to memory allocation issues when handling large amounts of incoming data. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.123 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.123 · newest: 0.123 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2016/dsa-3730 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1037298 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
- security.gentoo.org/glsa/201701-15 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/94336 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2016-93/ (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-2780.html (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2016-89/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2016-90/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9066?
- CVE-2016-9066 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-06-11.
- How severe is CVE-2016-9066?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-9066 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.