CVE-2023-6863

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor

published December 19, 2023

CVSS
—
EPSS
1%
Percentile
63.6
In the wild
Unconfirmed
What it is

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01037 · 63.6th percentile
Published
2023-12-19T13:38Z
EPSS history
Timeline
  • 19 DEC 13:38Z
    The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor
    cvelistv5