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CVE-2023-6208

CVE-2023-6208

EPSS 0.8%
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
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird

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References
https://bugzilla.mozilla.org/show_bug.cgi?id=1855345https://lists.debian.org/debian-lts-announce/2023/11/msg00017.htmlhttps://lists.debian.org/debian-lts-announce/2023/11/msg00030.htmlhttps://www.debian.org/security/2023/dsa-5561https://www.mozilla.org/security/advisories/mfsa2023-49/https://www.mozilla.org/security/advisories/mfsa2023-50/https://www.mozilla.org/security/advisories/mfsa2023-52/