Vulnerability in Mozilla Firefox
CVE-2016-1962
Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-c…
EPSS: 0.021 (84.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Mozilla Firefox — versions 38.0, 38.0.1, 38.0.5
- Oracle Linux — versions 5.0, 6, 7
- Opensuse — versions 13.1
- N/a — versions n/a
Public proof-of-concept exploits
References
- openSUSE-SU-2016:0894 (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- SUSE-SU-2016:0820 (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (x_refsource_CONFIRM, Third Party Advisory)
- openSUSE-SU-2016:0731 (vendor-advisory, x_refsource_SUSE)
- SUSE-SU-2016:0727 (vendor-advisory, x_refsource_SUSE)
- openSUSE-SU-2016:0876 (vendor-advisory, x_refsource_SUSE)
- USN-2917-1 (x_refsource_UBUNTU, vendor-advisory)
- DSA-3520 (vendor-advisory, x_refsource_DEBIAN)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- SUSE-SU-2016:0909 (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2016-1962?
- CVE-2016-1962 is a critical-severity vulnerability in Mozilla Firefox. CVSS score: 9.8/10. Published 2016-03-13.
- How severe is CVE-2016-1962?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-1962 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.