6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
23.3%
The Mozilla Foundation Security Advisory describes this flaw as: When UpdateRegExpStatics
attempted to access initialStringHeap
it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash.