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
6.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.0%
The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash.
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
6.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.0%