Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Security vulnerability in Offscreen Canvas can be exploited to bypass security restrictions.
2. Denial of service vulnerability in WASM JIT analysis can be exploited to cause denial of service.
3. An elevation of privilege vulnerability in popup notifications can be exploited remotely to gain privileges.
4. Out of bounds read vulnerability in DOMParser can be exploited to cause denial of service.
5. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
6. Stack buffer overflow vulnerability in StorageManager can be exploited remotely to cause denial of service.
7. Security UI vulnerability can be exploited to spoof user interface and execute arbitrary code.
8. Cookie jar overflow vulnerability can be exploited to cause denial of service.
9. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

• MFSA2023-30

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2023-4047
  critical
• CVE-2023-4054
  high
• CVE-2023-4046
  high
• CVE-2023-4056
  critical
• CVE-2023-4048
  critical
• CVE-2023-4049
  high
• CVE-2023-4055
  critical
• CVE-2023-4045
  high
• CVE-2023-4050
  critical

Read more

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