CVE-2018-12391: Critical severity thunderbird vulnerability
During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Other sources
During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issue only affects Firefox for Android. Desktop versions of Firefox are unaffected.
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2018-12391?
CVE-2018-12391 is a vulnerability that allows audio data to be accessed across origins in violation of security policies during HTTP Live Stream playback on Firefox for Android.
What is the severity of CVE-2018-12391?
The severity of CVE-2018-12391 is critical with a CVSS score of 8.8.
Which software products are affected by CVE-2018-12391?
Mozilla Firefox versions up to and excluding 63.0, Mozilla Firefox ESR versions up to and excluding 60.3, and Mozilla Thunderbird versions up to and excluding 60.3 are affected by CVE-2018-12391.
How can I fix CVE-2018-12391?
To fix CVE-2018-12391, update your Mozilla Firefox or Mozilla Thunderbird to the latest version available.
Where can I find more information about CVE-2018-12391?
You can find more information about CVE-2018-12391 on the Mozilla security advisories: mfsa2018-27 and mfsa2018-28.