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
EPSS: 0.647 (98.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Mozilla Firefox — versions 45.1.0, 45.1.1
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Debian Debian_linux — versions 8.0
- Opensuse Leap — versions 42.1
- Opensuse — versions 13.1, 13.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 1036057 (vdb-entry, x_refsource_SECTRACK)
- RHSA-2016:1217 (x_refsource_REDHAT, vendor-advisory)
- openSUSE-SU-2016:1557 (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (x_refsource_CONFIRM)
- 44293 (exploit, x_refsource_EXPLOIT-DB)
- security@mozilla.org (x_refsource_CONFIRM)
- openSUSE-SU-2016:1552 (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- USN-2993-1 (x_refsource_UBUNTU, vendor-advisory)
- SUSE-SU-2016:1691 (vendor-advisory, x_refsource_SUSE)
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.