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.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade libvpxUpgrade libvpx-develUpgrade thunderbirdUpgrade firefox | Feb 27, 2026 | Feb 25, 2026 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade firefox | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfo | Mar 9, 2026 | Feb 16, 2026 |
| Debian | — | Upgrade libvpxUpgrade thunderbirdUpgrade firefox-esr | Feb 23, 2026 | Feb 23, 2026 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-esr | Feb 23, 2026 | Feb 20, 2026 |
| Mfsa2026 10 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 115.32.1Upgrade to Mozilla Firefox ESR version 140.7.1Upgrade to Mozilla Firefox version 147.0.4 | Feb 17, 2026 | Feb 16, 2026 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 147.0.2Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.7.2 | Feb 17, 2026 | Feb 16, 2026 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11Upgrade libvpx-utilsUpgrade libvpx-develUpgrade libvpx | Feb 27, 2026 | Feb 16, 2026 |
| Redhat_linux | — | Upgrade libvpx-debugsourceUpgrade libvpx-utils-debuginfoUpgrade libvpxUpgrade firefox-x11Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade libvpx-utilsUpgrade thunderbirdUpgrade libvpx-develNo solution existsUpgrade thunderbird-debugsourceUpgrade libvpx-debuginfo | Feb 26, 2026 | Feb 16, 2026 |
| Rocky_linux | — | Upgrade libvpxUpgrade firefox-debugsourceUpgrade libvpx-develUpgrade firefoxUpgrade libvpx-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade libvpx-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-x11 | Mar 2, 2026 | Feb 26, 2026 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade MozillaThunderbird-openpgp-librnp | Feb 23, 2026 | Feb 23, 2026 |
| Ubuntu | — | Upgrade libvpx7Upgrade libvpx9 | Feb 20, 2026 | Feb 16, 2026 |
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