10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.044 Low
EPSS
Percentile
92.3%
Security researcher Herre reported a use-after-free vulnerability when a Content Policy modifies the Document Object Model to remove a DOM object, which is then used afterwards due to an error in microtask implementation. This leads to an exploitable crash.
CPE | Name | Operator | Version |
---|---|---|---|
firefox | lt | 39 | |
firefox esr | lt | 38.1 | |
seamonkey | lt | 2.35 | |
thunderbird | lt | 38.1 |