KLA19258 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Memory safety vulnerability can be exploited to execute arbitrary code.
2. Security vulnerability in cookie can be exploited to bypass security restrictions.
3. Denial of service vulnerability in cache on ARM64 platforms can be exploited to cause denial of service.
4. Security vulnerability in base-uri can be exploited to bypass security restrictions.
5. Use after free vulnerability in threads can be exploited to execute arbitrary code.
6. Security vulnerability in transient pages can be exploited to bypass security restrictions.
7. Code execution vulnerability can be exploited to execute arbitrary code.
8. Out of bounds read vulnerability in H264 decoding can be exploited to cause denial of service.

Original advisories

MFSA2022-42

Related products

Mozilla-Thunderbird

CVE list

CVE-2022-40962 critical

CVE-2022-40958 high

CVE-2022-40957 high

CVE-2022-40956 high

CVE-2022-40960 high

CVE-2022-40959 high

CVE-2022-3155 critical

CVE-2022-3266 high

Solution

Update to the latest version

Download Thunderbird

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.

• 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 Thunderbird earlier than 102.3