CVE-2020-26966

Name
CVE-2020-26966
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-50/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-51/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-52/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1663571

Match rules

CPE URI Source package Min version Max version

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
thunderbird edge-community 78.5.1-r0 None fixed
thunderbird 3.22-community 78.5.1-r0 None fixed
thunderbird 3.21-community 78.5.1-r0 None fixed
thunderbird 3.20-community 78.5.1-r0 None fixed
thunderbird 3.19-community 78.5.1-r0 None fixed
thunderbird 3.18-community 78.5.1-r0 None fixed
thunderbird 3.17-community 78.5.1-r0 None fixed
librewolf edge-community 83.0-r0 None fixed
librewolf 3.22-community 83.0-r0 None fixed
librewolf 3.21-community 83.0-r0 None fixed
firefox-esr edge-community 78.5.0-r0 None fixed
firefox-esr 3.22-community 78.5.0-r0 None fixed
firefox-esr 3.21-community 78.5.0-r0 None fixed
firefox-esr 3.20-community 78.5.0-r0 None fixed
firefox-esr 3.19-community 78.5.0-r0 None fixed
firefox-esr 3.18-community 78.5.0-r0 None fixed
firefox-esr 3.17-community 78.5.0-r0 None fixed
firefox edge-community 83.0-r0 None fixed
firefox 3.22-community 83.0-r0 None fixed
firefox 3.21-community 83.0-r0 None fixed
firefox 3.20-community 83.0-r0 None fixed
firefox 3.19-community 83.0-r0 None fixed
firefox 3.18-community 83.0-r0 None fixed
firefox 3.17-community 83.0-r0 None fixed