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CVE-2020-26966

Published: Dec 9, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Vendor	Product	Versions
Mozilla	Firefox	affected `< 83`
Mozilla	Firefox ESR	affected `< 78.5`
Mozilla	Thunderbird	affected `< 78.5`

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1663571

x_refsource_MISC

https://www.mozilla.org/security/advisories/mfsa2020-50/

x_refsource_CONFIRM

https://www.mozilla.org/security/advisories/mfsa2020-52/

x_refsource_CONFIRM

https://www.mozilla.org/security/advisories/mfsa2020-51/

x_refsource_CONFIRM

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