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KLA62089
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 11/23/2023
Detect date
?
11/21/2023
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, spoof user interface, obtain sensitive information, bypass security restrictions.

Below is a complete list of vulnerabilities:

  1. Out of bounds memory access vulnerability in WebGL2 blitFramebuffer can be exploited to cause denial of service.
  2. Use after free vulnerability in MessagePort::Entangled can be exploited to cause denial of service or execute arbitrary code.
  3. Clickjacking permission prompts vulnerability in fullscreen transition can be exploited remotely to spoof user interface.
  4. Use after free vulnerability in ReadableByteStreamQueueEntry::Buffer can be exploited to cause denial of service or execute arbitrary code.
  5. Information disclosure vulnerability for X11 can be exploited to obtain sensitive information.
  6. Security feature bypass vulnerability can be exploited remotely to bypass security restrictions.
  7. Memory safety vulnerability can be exploited to execute arbitrary code.
Affected products

Mozilla Firefox ESR earlier than 115.5

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2023-50

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox ESR
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