CVE-2026-100761
Fixed in a distro release EPSS <1%CVSS 8.8
Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Products: Mozilla Thunderbird, Mozilla Firefox
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu:18.04:LTS | mozjs38 | no fix |
| Ubuntu:18.04:LTS | mozjs52 | no fix |
| Ubuntu:20.04:LTS | mozjs52 | no fix |
| Ubuntu:20.04:LTS | mozjs68 | no fix |
| Ubuntu:22.04:LTS | mozjs102 | no fix |
| Ubuntu:22.04:LTS | mozjs78 | no fix |
| Ubuntu:22.04:LTS | mozjs91 | no fix |
| Ubuntu:22.04:LTS | thunderbird | no fix |
| Ubuntu:24.04:LTS | mozjs102 | no fix |
| Ubuntu:24.04:LTS | mozjs115 | no fix |
| openSUSE:Tumbleweed | MozillaFirefox | 157.0.1-1.1 |