CVE-2019-11734: Critical severity firefox vulnerability

Published Sep 3, 2019
·
Updated

Last updated 24 July 2024

Other sources

Mozilla developers and community members Randell Jesup, Philipp, Cosmin Sabou, and Natalia Csoregi reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.

Mozilla developers and community members reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69.

Affected Software

3 affected componentsFixes available
debian/firefox
132.0.1-1
Mozilla Firefox<69
69
Mozilla Firefox<69.0

Event History

Sep 3, 2019
CVE Published
12:00 AM
Sep 27, 2019
CVE Published
via MITRE·05:21 PM
Data Sourced
via MITRE·05:21 PM
DescriptionWeakness
Aug 12, 2024
Data Sourced
via Launchpad·11:13 PM
Description
Sep 21, 2024
Data Sourced
via Ubuntu·11:20 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·11:20 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-11734?

CVE-2019-11734 is a memory safety bug present in Firefox 68, which could be exploited to run arbitrary code.

2

What is the severity of CVE-2019-11734?

CVE-2019-11734 has a severity level of high.

3

What software versions are affected by CVE-2019-11734?

Mozilla Firefox versions up to exclusive 69 are affected by CVE-2019-11734.

4

How can CVE-2019-11734 be fixed?

Upgrade to Mozilla Firefox version 69 or higher to fix CVE-2019-11734.

5

Where can I find more information about CVE-2019-11734?

You can find more information about CVE-2019-11734 at the following references: [Link 1](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1557208%2C1560641) and [Link 2](https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/).

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