MFSA2018-26 Firefox: Security vulnerabilities fixed in Firefox 63 (CVE-2018-12395)
5
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
10/23/2018
03/19/2019
10/24/2018
03/04/2019
Description
By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Solution(s)
- mozilla-firefox-upgrade-63_0
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