CVE-2016-5258
moderate-risk
Published 2016-08-05
Use-after-free vulnerability in the WebRTC socket thread in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code by leveraging incorrect free operations on DTLS objects during the shutdown of a WebRTC session.
Do I need to act?
~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
References (22)
Vendor Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-72.html
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
Vendor Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-72.html
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
and 2 more references
47
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
3/34 · Minimal
Exposure
14/34 · Moderate