An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events. This vulnerability affects Firefox < 129, Firefox ESR < 128.3, and Thunderbird < 128.3.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "129.0.1+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "129.0.1+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "129.0.1+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "129.0.1+build1-0ubuntu0.20.04.1" } ] }