KLA65640 Multiple vulnerabilities in Mozilla Firefox ESR

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

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability in HTTP/2 can be exploited remotely to cause denial of service.
2. Integer overflow vulnerability in OpenType sanitizer can be exploited to cause denial of service.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
5. Out of bounds memory read can be exploited to cause denial of service.
6. Information disclosure vulnerability in GetBoundName can be exploited to obtain sensitive information.
7. Security vulnerability can be exploited to bypass security restrictions.
8. Clickjacking permission prompts vulnerability can be exploited remotely to spoof user interface.

Original advisories

MFSA2024-19

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2024-2609 warning

CVE-2024-3302 unknown

CVE-2024-3859 unknown

CVE-2024-3864 unknown

CVE-2024-3861 unknown

CVE-2024-3857 unknown

CVE-2024-3854 unknown

CVE-2024-3852 unknown

CVE-2024-3863 unknown

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.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• 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.

• 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 115.10.0