KLA12253
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 08/12/2021
Detect date
?
08/10/2021
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. A memory corruption vulnerability on Linux can be exploited to cause denial of service.
  2. A memory corruption vulnerability can be exploited to cause denial of service.
  3. A memory safety vulnerability can be exploited to execute arbitrary code.
  4. A use after free vulnerability in media channels can be exploited to cause denial of service.
  5. A uninitialized memory vulnerability in canvas can be epxloted to cause denial of service.
  6. A memory corruption vulnerability in JIT optimization can be exploited to cause denial of service.
Affected products

Mozilla Firefox ESR earlier than 78.13

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2021-34

Impacts
?
ACE 
[?]

DoS 
[?]
Related products
Mozilla Firefox ESR
CVE-IDS
?
CVE-2021-299860.0Unknown
CVE-2021-299880.0Unknown
CVE-2021-299890.0Unknown
CVE-2021-299850.0Unknown
CVE-2021-299800.0Unknown
CVE-2021-299840.0Unknown
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