CVE-2021-23954

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a…

published February 26, 2021

CVSS
—
EPSS
1%
Percentile
67.7
In the wild
Unconfirmed
What it is

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01186 · 67.7th percentile
Published
2021-02-26T02:10Z
EPSS history
Timeline
  • 26 FEB 02:10Z
    Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a…
    cvelistv5