firefox: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types
CVE-2017-7821 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.
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. 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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