Mozilla Firefox and 2 others: Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external…
CVE-2023-29540 is fixed in 5 products on 2 platforms, first by firefox 112.0+build2-0ubuntu0.18.04.1, released April 11, 2023. It is not reported as exploited. Patch Radar priority: Routine.
Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 112.0 | Mozilla Firefox (en-US) 112.0 | Apr 12, 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) | 112.0+build2-0ubuntu0.18.04.1 | firefox 112.0+build2-0ubuntu0.18.04.1 | Apr 11, 2023 |
| firefox · Ubuntu 20.04 LTS (focal) | 112.0+build2-0ubuntu0.20.04.1 | firefox 112.0+build2-0ubuntu0.20.04.1 | Apr 11, 2023 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 112.0+build2-0ubuntu0.18.04.1 | firefox-geckodriver 112.0+build2-0ubuntu0.18.04.1 | Apr 11, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 112.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 112.0+build2-0ubuntu0.20.04.1 | Apr 11, 2023 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 112.0+build2-0ubuntu0.18.04.1 | firefox-mozsymbols 112.0+build2-0ubuntu0.18.04.1 | Apr 11, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 112.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 112.0+build2-0ubuntu0.20.04.1 | Apr 11, 2023 |
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