Vulnerability CVE-2023-6208
Published: 2023-11-21

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.

 References:
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/
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