CVE-2020-6820

Mozilla Firefox And Thunderbird Use-After-Free Vulnerability
7.1%
EPSS
94%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.

Vendor
Mozilla
Product
Firefox and Thunderbird
Added to KEV
Nov 3, 2021
Remediation due
May 3, 2022 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-362
EPSS
7.1% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded