CVE-2022-34481

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 102 Firefox ESR versions prior to 91.11 Thunderbird versions prior to 102 Thunderbird versions prior to 91.11

Description The issue is related to an integer overflow in the nsTArray Impl::ReplaceElementsAt() function. This could allow a remote attacker to execute arbitrary code by forcing the victim to visit a specially crafted website, triggering the integer overflow. The vulnerability affects the Mozilla Thunderbird email client and the Mozilla Firefox browser.

Recommendations For Firefox versions prior to 102, update to version 102 or later. For Firefox ESR versions prior to 91.11, update to version 91.11 or later. For Thunderbird versions prior to 102, update to version 102 or later. For Thunderbird versions prior to 91.11, update to version 91.11 or later. As a temporary workaround, consider restricting access to potentially vulnerable websites to minimize the risk of exploitation.