The vulnerability in the implementation of the “PressShell” object in browsers Firefox, Firefox ESR, and the email client Thunderbird allows a perpetrator to trigger a service failure.

The vulnerability in the implementation of the “PressShell” object in browsers Firefox, Firefox ESR, and the email client Thunderbird is related to the execution of operations outside the buffer in memory. Exploiting this vulnerability can allow a malicious actor to cause service failures remotel...