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4.2 Medium

CVE-2026-109779 Race condition in the Networking: DNS component

Description

Race condition in the Networking: DNS component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Affected products and versions

Product Affected versions Fixed in
Firefox 158 earliest → < 158 158
Thunderbird 158 earliest → < 158 158

References

Timeline

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