CVE-2021-29970

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash

published August 5, 2021

CVSS
—
EPSS
1%
Percentile
72.8
In the wild
Unconfirmed
What it is

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01428 · 72.8th percentile
Published
2021-08-05T19:46Z
EPSS history
Timeline
  • 05 AUG 19:46Z
    A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
    cvelistv5