KLA12127
Multiple vulnerabilities in Mozilla Firefox

Updated: 03/24/2021
Detect date
?
03/23/2021
Severity
?
High
Description

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, spoof user interface, cause denial of service, bypass security restrictions.

Below is a complete list of vulnerabilities:

  1. A memory safety vulnerability can be exploited to execute arbitrary code.
  2. An information disclosure vulnerability can be exploited via special crafted webpage to obtain sensitive information.
  3. An information disclosure vulnerability in the Devtools remote debugging feature can be exploited remotely to obtain sensitive information.
  4. A security UI vulnerability can be exploited via special crafted extention to spoof user interface and obtain sensitive information.
  5. A memory corruption vulnerability can be exploited to cause denial of service.
  6. A security vulnerability can be exploited via special crafted extention to bypass security restrictions and obtain sensitive information.
  7. An out of bounds read vulnerability in WebGL can be exploited via special crafted object to cause denial of service or obtain sensitive information.
Affected products

Mozilla Firefox earlier than 87

Solution

Update to the latest version
Download Firefox

Original advisories

MFSA2021-10

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox
CVE-IDS
?
CVE-2021-239870.0Unknown
CVE-2021-239820.0Unknown
CVE-2021-239850.0Unknown
CVE-2021-239880.0Unknown
CVE-2021-239840.0Unknown
CVE-2021-239830.0Unknown
CVE-2021-239860.0Unknown
CVE-2021-239810.0Unknown
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