Description
Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 117affected
Mozilla Firefox ESR
unspecified to < 102.15affected
Mozilla Firefox ESR
unspecified to < 115.2affected
Mozilla Thunderbird
unspecified to < 102.15affected
Mozilla Thunderbird
unspecified to < 115.2affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843758 ↗
- https://www.mozilla.org/security/advisories/mfsa2023-34/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-35/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-36/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-37/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-38/ ↗