Kaspersky ID:
KLA12303
Detect Date:
10/05/2021
Updated:
01/25/2024

Description

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

Below is a complete list of vulnerabilities:

  1. A memory safety vulnerability can be exploited to execute arbitrary code.
  2. An use after free vulnerability in MessageTask can be exploited to cause denial of service.
  3. A data race vulnerability in crossbeam-deque can be exploited to obtain sensitive information.
  4. A security UI vulnerability in message validation can be exploited to spoof user interface.
  5. An use after free vulnerability in nsLanguageAtomService object can be exploited to cause denial of service.
  6. An use after free vulnerability in HTTP2 Session object can be exploited to cause denial of service.

Original advisories

Related products

CVE list

  • CVE-2021-38501
    critical
  • CVE-2021-38496
    critical
  • CVE-2021-38500
    critical
  • CVE-2021-38499
    critical
  • CVE-2021-32810
    critical
  • CVE-2021-38497
    high
  • CVE-2021-38498
    critical
  • CVE-2021-43535
    critical

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com

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