CVE-2019-11713: Use After Free

Published Jul 9, 2019
·
Updated

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash.

Affected Software

8 affected componentsFixes available
Mozilla Thunderbird<68
68
Mozilla Thunderbird<60.8
60.8
Mozilla Firefox<68.0
Mozilla Firefox ESR<60.8.0
Mozilla Thunderbird<60.8.0
Mozilla Firefox<68
68
Mozilla Firefox ESR<60.8
60.8
Mozilla Firefox<60.8.0

Event History

Jul 9, 2019
CVE Published
via Mozilla·12:00 AM
Jul 23, 2019
CVE Published
via MITRE·01:18 PM
Data Sourced
via MITRE·01:18 PM
DescriptionWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-11713?

CVE-2019-11713 is a use-after-free vulnerability in HTTP/2 that can result in a potentially exploitable crash.

2

Which software products are affected by CVE-2019-11713?

CVE-2019-11713 affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

3

How severe is CVE-2019-11713?

CVE-2019-11713 has a severity rating of 9.8 (Critical).

4

How can I fix CVE-2019-11713?

To fix CVE-2019-11713, you should update Firefox ESR to version 60.8 or later, update Firefox to version 68 or later, and update Thunderbird to version 60.8 or later.

5

Where can I find more information about CVE-2019-11713?

You can find more information about CVE-2019-11713 on the Mozilla Bugzilla and Mozilla Security Advisories websites.

Contact

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