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CVE-2026-6777
MEDIUM5.3
Description
Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE Details
CVSS v3.1 Score5.3
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published4/21/2026
Last Modified4/22/2026
Sourcenvd
Honeypot Sightings0
Affected Products
mozilla:firefoxmozilla:thunderbird
Weaknesses (CWE)
CWE-20CWE-352CWE-400
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2022726(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-30/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-33/(security@mozilla.org)
IOC Correlations
No correlations recorded
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