CVE-2023-6208 (published 2023-11-21T14:28:53.494Z)
When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard.
*This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified