CVE-2026-117877
EUVD-2026-11104827.10.2026, 14:16
Use-after-free in the Layout: Text and Fonts 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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