Buffer overflow in Mozilla Firefox
CVE-2016-2819
Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.
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: 0.240 (97.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.240 · newest: 0.240 · change: 0.000
Affected products
- Mozilla Firefox — versions 45.1.0, 45.1.1
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1036057 (vdb-entry)
- access.redhat.com/errata/RHSA-2016:1217 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.exploit-db.com/exploits/44293/ (exploit)
- bugzilla.mozilla.org/show_bug.cgi
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html (vendor-advisory)
- www.mozilla.org/security/announce/2016/mfsa2016-50.html (Vendor Advisory)
- www.ubuntu.com/usn/USN-2993-1 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html (vendor-advisory)
Frequently asked questions
- What is CVE-2016-2819?
- CVE-2016-2819 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 2016-06-13.
- How severe is CVE-2016-2819?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-2819 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.