PT-2020-16580 · Microsoft+3 · Windows+5
Tiebuchen
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Published
2020-11-17
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Updated
2024-12-12
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CVE-2020-26966
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 83
Firefox ESR versions prior to 78.5
Thunderbird versions prior to 78.5
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. This issue only affected Windows operating systems, while other operating systems are unaffected.
Recommendations
For Firefox versions prior to 83, update to version 83 or later.
For Firefox ESR versions prior to 78.5, update to version 78.5 or later.
For Thunderbird versions prior to 78.5, update to version 78.5 or later.
Exploit
Fix
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Related Identifiers
Affected Products
Alt Linux
Firefox
Firefox Esr
Suse
Thunderbird
Windows