Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability in Content process can be exploited to cause denial of service.
2. Denial of service vulnerability in Exposed protocol handlers can be exploited to cause denial of service.
3. Out of bounds vulnerability in RLBox Expat driver can be exploited to cause denial of service.
4. Security UI vulnerability in Popups can be exploited to spoof user interface.
5. Security UI vulnerability in Address bar can be exploited to spoof user interface.
6. Memory corruption vulnerability in FileReader can be exploited remotely to cause denial of service or execute arbitrary code.
7. Elevation of privilege vulnerability in Popup notifications can be exploited remotely to gain privileges.
8. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

• MFSA2023-17

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2023-32206
  high
• CVE-2023-32205
  warning
• CVE-2023-32211
  high
• CVE-2023-32213
  critical
• CVE-2023-32207
  critical
• CVE-2023-32214
  critical
• CVE-2023-32215
  critical
• CVE-2023-32212
  warning

Read more

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