KLA20238
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 02/16/2023
Detect date
?
02/14/2023
Severity
?
High
Description

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

Below is a complete list of vulnerabilities:

  1. Out of bounds memory write vulnerability in inputStream can be exploited to cause denial of service.
  2. Denial of service vulnerability in printing subsystem can be exploited to cause denial of service.
  3. Memory safety vulnerability can be exploited to execute arbitrary code.
  4. Use after free vulnerability in SpiderMonkey can be exploited to cause denial of service or execute arbitrary code.
  5. Information disclosure vulnerability can be exploited to obtain sensitive information.
  6. Security UI vulnerability in full-screen mode can be exploited to spoof user interface.
  7. Security UI vulnerability can be exploited to spoof user interface.
  8. Information disclosure vulnerability in CSP header can be exploited to obtain sensitive information.
  9. Denial of service vulnerability in Web Crypto can be exploited to cause denial of service.
  10. Security vulnerability can be exploited to bypass security restrictions.
  11. Use after free vulnerability in ScriptLoadContext can be exploited to cause denial of service or execute arbitrary code.
  12. Remote code execution vulnerability in SVGUtils can be exploited remotely to execute arbitrary code and cause denial of service.
  13. Remote code execution vulnerability in NSS can be exploited remotely to execute arbitrary code.
Affected products

Mozilla Firefox ESR earlier than 102.8

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2023-06

Impacts
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ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox ESR
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