Creation of duplicate SystemPrincipal from less secure contexts
CVE-2023-23604 is fixed in 5 products on 2 platforms, first by Mozilla Firefox (en-US) 109.0, released January 17, 2023. It is not reported as exploited. Patch Radar priority: Routine.
A duplicate `SystemPrincipal` object could be created when parsing a non-system html document via `DOMParser::ParseFromSafeString`. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 109.0 | Mozilla Firefox (en-US) 109.0 | Jan 17, 2023 |
| Mozilla Firefox ESR (en-US) | 115.4.0 | Mozilla Firefox ESR (en-US) 115.4.0 | Oct 17, 2023 |
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 109.0+build2-0ubuntu0.18.04.1 | firefox 109.0+build2-0ubuntu0.18.04.1 | Jan 17, 2023 |
| firefox · Ubuntu 20.04 LTS (focal) | 109.0+build2-0ubuntu0.20.04.1 | firefox 109.0+build2-0ubuntu0.20.04.1 | Jan 17, 2023 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 109.0+build2-0ubuntu0.18.04.1 | firefox-geckodriver 109.0+build2-0ubuntu0.18.04.1 | Jan 17, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 109.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 109.0+build2-0ubuntu0.20.04.1 | Jan 17, 2023 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 109.0+build2-0ubuntu0.18.04.1 | firefox-mozsymbols 109.0+build2-0ubuntu0.18.04.1 | Jan 17, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 109.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 109.0+build2-0ubuntu0.20.04.1 | Jan 17, 2023 |
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