CVE-2019-11713: Use After Free
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 68 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 60.8 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 68 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 60.8 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 60.8.0-r0 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 68.0-r0
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
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.
Which software products are affected by CVE-2019-11713?
CVE-2019-11713 affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
How severe is CVE-2019-11713?
CVE-2019-11713 has a severity rating of 9.8 (Critical).
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.
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.