KLA12252
Multiple vulnerabilities in Mozilla Firefox

Updated: 08/12/2021
Detect date
?
08/10/2021
Severity
?
High
Description

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

Below is a complete list of vulnerabilities:

  1. A memory corruption vulnerability on Linux can be exploited to cause denial of service.
  2. A security UI vulnerability in fullscreen mode on Android can be exploited to spoof user interface.
  3. A memory corruption vulnerability can be exploited to cause denial of service.
  4. A memory safety vulnerability can be exploited to execute arbitrary code.
  5. A denial of service vulnerability in JIT can be exploited to cause denial of service.
  6. A use after free vulnerability in media channels can be exploited to cause denial of service.
  7. A type confusion vulnerability in JIT optimization can be exploited to obtain sensitive information.
  8. A security UI vulnerability on Linux can be exploited to spoof user interface and gain privileges.
  9. A uninitialized memory vulnerability in canvas can be epxloted to cause denial of service.
  10. A memory corruption vulnerability in JIT optimization can be exploited to cause denial of service.
Affected products

Mozilla Firefox earlier than 91

Solution

Update to the latest version
Download Firefox

Original advisories

MFSA2021-33

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

PE 
[?]

SUI 
[?]
Related products
Mozilla Firefox
CVE-IDS
?
CVE-2021-299860.0Unknown
CVE-2021-299830.0Unknown
CVE-2021-299880.0Unknown
CVE-2021-299890.0Unknown
CVE-2021-299810.0Unknown
CVE-2021-299850.0Unknown
CVE-2021-299820.0Unknown
CVE-2021-299870.0Unknown
CVE-2021-299800.0Unknown
CVE-2021-299900.0Unknown
CVE-2021-299840.0Unknown
Find out the statistics of the vulnerabilities spreading in your region