CVE-2016-2821
moderate-risk
Published 2016-06-13
Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.
Do I need to act?
~
2.9% 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
7
CVSS 7.5/10
High
NETWORK
/ HIGH complexity
Affected Products (11)
References (22)
Vendor Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-51.html
Vendor Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-51.html
and 2 more references
44
/ 100
moderate-risk
Severity
22/34 · High
Exploitability
6/34 · Minimal
Exposure
16/34 · Moderate