CVE-2026-8090
published 2026-05-07CVE-2026-8090: Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird…
high7.3CVSS 3.1
AVNACLPRNUINSUCLILAL
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 150.0.2 | Firefox 150.0.2 |
| mozilla | firefox | < 115.35.2 | 115.35.2 |
| mozilla | firefox | < 150.0.2 | 150.0.2 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 128.0 < 140.10.2 | 140.10.2 |
| mozilla | firefox_esr | < Firefox ESR 115.35.2 | Firefox ESR 115.35.2 |
| mozilla | firefox_esr | < Firefox ESR 140.10.2 | Firefox ESR 140.10.2 |
| mozilla | thunderbird | < Thunderbird 140.10.2 | Thunderbird 140.10.2 |
| mozilla | thunderbird | < Thunderbird 150.0.2 | Thunderbird 150.0.2 |
| mozilla | thunderbird | < 140.10.2 | 140.10.2 |
| mozilla | thunderbird | < 150.0.2 | 150.0.2 |
| openbsd | openssh | >= 0 < 1:8.2p1-4ubuntu0.13+esm1 | 1:8.2p1-4ubuntu0.13+esm1 |
| rhel10 | firefox-flatpak | — | — |
CVSS provenance
nvdv3.17.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
osv3.6LOW