firefox-mozsymbols: WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security...
CVE-2017-7816 is fixed in 4 products on 1 platform, first by firefox 56.0+build6-0ubuntu1, released October 1, 2017. It is not reported as exploited. Patch Radar priority: Routine.
WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 56.0+build6-0ubuntu1 | firefox 56.0+build6-0ubuntu1 | Oct 1, 2017 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 56.0+build6-0ubuntu1 | firefox-globalmenu 56.0+build6-0ubuntu1 | Oct 1, 2017 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 56.0+build6-0ubuntu1 | firefox-mozsymbols 56.0+build6-0ubuntu1 | Oct 1, 2017 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 56.0+build6-0ubuntu1 | firefox-testsuite 56.0+build6-0ubuntu1 | Oct 1, 2017 |
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