CVE-2026-117976
EUVD-2026-11100727.10.2026, 14:16
Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.Enginsight
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources
(CNA/ADP records, vendor advisories, Enginsight analysis).
| Vendor | Product | Version | Source |
|---|---|---|---|
| mozilla | firefox | 𝑥 < 159 | CNA |
| mozilla | firefox_esr | 141.0.0 ≤ 𝑥 < 153.6 | CNA |
| mozilla | thunderbird | 𝑥 < 159 | CNA |
| mozilla | thunderbird_esr | 141.0.0 ≤ 𝑥 < 153.6 | CNA |
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
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| firefox-esr |
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| thunderbird |
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