CVE-2021-29982

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory

published August 17, 2021

CVSS
—
EPSS
1%
Percentile
66.0
In the wild
Unconfirmed
What it is

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01124 · 66.0th percentile
Published
2021-08-17T19:12Z
EPSS history
Timeline
  • 17 AUG 19:12Z
    Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory
    cvelistv5