KLA51268 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Override character vulnerability in File Extension can be exploited to execute arbitrary code.
2. Use after free vulnerability in workers can be exploited to execute arbitrary code or cause denial of service.

Original advisories

MFSA2023-27

Related products

Mozilla-Thunderbird

CVE list

CVE-2023-3600 critical

CVE-2023-3417 critical

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.

Affected Products

• Mozilla Thunderbird earlier than 115.0.1