KLA12229
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 07/27/2021
Detect date
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07/13/2021
Severity
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High
Description

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

Below is a complete list of vulnerabilities:

  1. A memory safety vulnerability can be exploited to execute arbitrary code.
  2. An out of bounds write vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  3. A use after free vulnerability can be exploited via special crafted webpage to cause denial of service or execute arbitrary code.
Affected products

Mozilla Firefox ESR earlier than 78.12

Solution

Update to the latest vresion
Download Firefox ESR

Original advisories

MFSA2021-29

Impacts
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ACE 
[?]

DoS 
[?]
Related products
Mozilla Firefox ESR
CVE-IDS
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