Description
Use-after-free in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 146 and Thunderbird 146.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | — | 146 |
| Mozilla | Thunderbird | — | 146 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 146.0-1.1 | openSUSE-SU-2025:15813-1 |
| openSUSE Tumbleweed | firefox-esr | 153.0-1.1 | openSUSE-SU-2026:11373-1 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | firefox | 146-r0 | — |
Advisories 3
- WID-SEC-2025-2812 Mozilla Firefox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 5, 2026
- openSUSE-SU-2026:11373-1 firefox-esr-153.0-1.1 on GA media SUSE / openSUSE Security Updates · Jul 26, 2026
- openSUSE-SU-2025:15813-1 MozillaFirefox-146.0-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026