KLA12463 Out of bounds write vulnerability in Mozilla Thunderbird

Out of bounds write vulnerability was found in Mozilla Thunderbird. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service.

Original advisories

MFSA2022-07

Related products

Mozilla-Thunderbird

CVE list

CVE-2022-0566 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 91.6.1