CVE-2019-11692: Use After Free

Published May 21, 2019
·
Updated

A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash.

Affected Software

10 affected componentsFixes available
Mozilla Thunderbird<60.7
60.7
Mozilla Firefox<67.0
Mozilla Firefox ESR<60.7.0
Mozilla Thunderbird<60.7.0
Mozilla Firefox<67
67
Mozilla Firefox ESR<60.7
60.7
debian/firefox
137.0.2-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.9.0esr-1~deb11u1128.8.0esr-1~deb12u1128.9.0esr-1~deb12u1128.9.0esr-2
debian/thunderbird
1:115.12.0-1~deb11u11:128.9.0esr-1~deb11u11:128.8.0esr-1~deb12u11:128.9.0esr-1~deb12u11:128.9.0esr-1
Mozilla Firefox<60.7.0

Event History

May 21, 2019
CVE Published
via Mozilla·12:00 AM
May 22, 2019
Data Sourced
via Red Hat·01:42 AM
DescriptionSeverityAffected Software
Jul 23, 2019
CVE Published
via MITRE·01:23 PM
Data Sourced
via MITRE·01:23 PM
DescriptionWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:14 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:09 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-11692?

CVE-2019-11692 is a use-after-free vulnerability that can occur when listeners are removed from the event listener manager while still in use.

2

Which software is affected by CVE-2019-11692?

CVE-2019-11692 affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

3

How severe is CVE-2019-11692?

CVE-2019-11692 has a severity rating of 9.8 out of 10. It is classified as critical.

4

How can I fix CVE-2019-11692?

To fix CVE-2019-11692, update Thunderbird to version 60.7 or later, update Firefox to version 67 or later, or update Firefox ESR to version 60.7 or later.

5

Where can I find more information about CVE-2019-11692?

You can find more information about CVE-2019-11692 on the Mozilla Bugzilla page and the Mozilla Security Advisories page.

Contact

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