CVE-2026-2447
published 2026-02-16CVE-2026-2447: Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 147.0.4-1 (sid) | firefox 147.0.4-1 (sid) |
| debian | firefox-esr | < firefox 147.0.4-1 (sid) | firefox 147.0.4-1 (sid) |
| debian | libvpx | < firefox 147.0.4-1 (sid) | firefox 147.0.4-1 (sid) |
| debian | thunderbird | < firefox 147.0.4-1 (sid) | firefox 147.0.4-1 (sid) |
| mozilla | firefox | < 115.32.1 | 115.32.1 |
| mozilla | firefox | < 147.0.4 | 147.0.4 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 116.0 < 140.7.1 | 140.7.1 |
| mozilla | thunderbird | < 140.7.2 | 140.7.2 |
| mozilla | thunderbird | >= 0 < 1:140.8.0esr-1 | 1:140.8.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:140.8.0esr-1 | 1:140.8.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:140.8.0esr-1 | 1:140.8.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:140.8.0esr-1 | 1:140.8.0esr-1 |
| mozilla | thunderbird | >= 141.0 < 147.0.2 | 147.0.2 |
| webmproject | libvpx | >= 0 < 1.9.0-1+deb11u5 | 1.9.0-1+deb11u5 |
| webmproject | libvpx | >= 0 < 1.12.0-1+deb12u5 | 1.12.0-1+deb12u5 |
| webmproject | libvpx | >= 0 < 1.15.0-2.1+deb13u1 | 1.15.0-2.1+deb13u1 |
| webmproject | libvpx | >= 0 < 1.16.0-3 | 1.16.0-3 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH