CVE-2023-6208 Information

Description

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 Thunderbird on X11. Other systems are unaffected. This vulnerability affects Firefox < 120 Firefox < 115.5 and Thunderbird < 115.5.0.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1855345 https://www.mozilla.org/security/advisories/mfsa2023-49/ https://www.mozilla.org/security/advisories/mfsa2023-50/ https://www.mozilla.org/security/advisories/mfsa2023-52/