Ubuntu 20.04 LTS : Firefox vulnerabilities (USN-6649-1)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6649-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially explo...

Security Vulnerabilities fixed in Firefox 123 — Mozilla

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. Through a series of API calls and redirects, an attacker-controlled alert dialog could have been displayed on another website with the victim...