vulnerability
MFSA2023-50 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.5.0 (CVE-2023-6208)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Nov 21, 2023 | Nov 22, 2023 | Feb 10, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Nov 21, 2023
Added
Nov 22, 2023
Modified
Feb 10, 2026
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 Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Solution
mozilla-firefox-esr-upgrade-115_5
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