CVE-2020-15656

JIT optimizations involving the Javascript arguments object could confuse later optimizations

published August 10, 2020

CVSS
—
EPSS
2%
Percentile
74.1
In the wild
Unconfirmed
What it is

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01511 · 74.1th percentile
Published
2020-08-10T17:43Z
EPSS history
Timeline
  • 10 AUG 17:43Z
    JIT optimizations involving the Javascript arguments object could confuse later optimizations
    cvelistv5