CVE-2022-34471 Information

Description

When downloading an update for an addon the downloaded addon update’s version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox < 102.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1766047 https://www.mozilla.org/security/advisories/mfsa2022-24/