CVE-2026-109779Medium· 4.2▾ SunlitRace condition in the Networking: DNS component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.1 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
— → 4.2
none → medium
0.1%
Race condition in the Networking: DNS component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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