Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 120.0 |
| Mozilla | Firefox Esr | < 115.5.0 |
| Mozilla | Thunderbird | < 115.5 |
| Debian | Debian Linux | 10.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1855345Issue TrackingPermissions Required
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html
- https://www.debian.org/security/2023/dsa-5561Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-49/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-50/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-52/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1855345Issue TrackingPermissions Required
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html
- https://www.debian.org/security/2023/dsa-5561Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-49/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-50/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-52/Release NotesVendor Advisory
FAQ
What is CVE-2023-6208?
CVE-2023-6208 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2023-6208?
CVE-2023-6208 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6208?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Debian Debian Linux.