KLA67587 Multiple vulnerabilities in Mozilla Firefox ESR

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
2. Security vulnerability in private browsing mode can be exploited to bypass security restrictions.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. An elevation of privilege vulnerability in popup notifications can be exploited remotely to gain privileges.
5. A remote code execution vulnerability in PDF.js can be exploited remotely to execute arbitrary code.
6. A remote code execution vulnerability can be exploited remotely to execute arbitrary code.

Original advisories

MFSA2024-22

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2024-4367 warning

CVE-2024-4770 warning

CVE-2024-4767 warning

CVE-2024-4777 warning

CVE-2024-4768 warning

CVE-2024-4769 warning

Solution

Update to the latest version

Download Firefox ESR

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Mozilla Firefox ESR earlier than 115.11.0