CVE-2021-29981

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a…

published August 17, 2021

CVSS
—
EPSS
1%
Percentile
62.9
In the wild
Unconfirmed
What it is

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01012 · 62.9th percentile
Published
2021-08-17T19:12Z
EPSS history
Timeline
  • 17 AUG 19:12Z
    An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a…
    cvelistv5