KLA12304
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 10/14/2021
Detect date
?
10/05/2021
Severity
?
High
Description

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. An use after free vulnerability in MessageTask can be exploited to cause denial of service.
  2. A memory safety vulnerability can be exploited to execute arbitrary code.
Affected products

Mozilla Firefox ESR earlier than 78.15

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2021-44

Impacts
?
ACE 
[?]

DoS 
[?]
Related products
Mozilla Firefox ESR
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