Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in nsDocShell destructor can be exploited to cause denial of service.
2. Use after free vulnerability in ReadableStream can be exploited to cause denial of service.

Original advisories

• MFSA2020-11

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2020-6819
  critical
• CVE-2020-6820
  critical

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com