CVE-2023-6205

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

published November 21, 2023

CVSS
—
EPSS
1%
Percentile
58.5
In the wild
Unconfirmed
What it is

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. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00874 · 58.5th percentile
Published
2023-11-21T14:28Z
EPSS history
Timeline
  • 21 NOV 14:28Z
    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
    cvelistv5