Multiple vulnerabilities in Mozilla Firefox

Description

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

Below is a complete list of vulnerabilities:

1. A security UI vulnerability can be exploited to spoof user interface.
2. A security vulnerability can be exploited to bypass security restrictions.
3. A use-after-free vulnerability can be exploited to potentially cause denial of service.
4. A cross-site-scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
5. A memory safety vulnerability can be exploited to to cause denial of service and execute arbitrary code.
6. A screen sharing vulnerability can be exploited to obtain sensitive information
7. A file picker dialog vulnerability can be exploited to obtain sensitive information
8. OSI vulnerability can be exploited via special crafted PDF file to obtain sensitive information.
9. A use-after-poison vulnerability in RowCountChanged methodcan be exploited to potentially cause denial of service.
10. Security UI vulnerability for Android can be exploited to spoof user interface.
11. A type cinfusion vulnerability in JavaScript can be exploited to cause denial of service.

Original advisories

• MFSA2021-03

Related products

• Mozilla-Firefox

CVE list

• CVE-2021-23955
  high
• CVE-2021-23963
  warning
• CVE-2021-23960
  critical
• CVE-2021-23961
  high
• CVE-2021-23959
  high
• CVE-2021-23964
  critical
• CVE-2021-23958
  high
• CVE-2021-23956
  high
• CVE-2021-23953
  warning
• CVE-2021-23962
  critical
• CVE-2021-23957
  high
• CVE-2021-23965
  critical
• CVE-2021-23954
  critical

Read more

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