CVE-2019-11694: High severity thunderbird vulnerability

Published May 21, 2019
·
Updated

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. Note: this issue only occurs on Windows. Other operating systems are unaffected.. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Other sources

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. Note: this issue only occurs on Windows. Other operating systems are unaffected.

Affected Software

11 affected componentsFixes available
Mozilla Thunderbird<60.7
60.7
Mozilla Firefox<67
67
Mozilla Firefox ESR<60.7
60.7
Mozilla Firefox<67.0
Mozilla Firefox ESR<60.7.0
Mozilla Thunderbird<60.7.0
Microsoft Windows
All of the following
Any of the following
Mozilla Firefox<60.7.0
Mozilla Firefox<67.0
Mozilla Thunderbird<60.7.0
Microsoft Windows

Event History

May 21, 2019
CVE Published
via Mozilla·12:00 AM
Jul 23, 2019
CVE Published
via MITRE·01:22 PM
Data Sourced
via MITRE·01:22 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-2019-11694?

CVE-2019-11694 is a vulnerability that exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file, resulting in the potential leaking of information stored at that memory location.

2

Which software is affected by CVE-2019-11694?

CVE-2019-11694 affects Mozilla Firefox versions up to and excluding 67, Mozilla Firefox ESR versions up to and excluding 60.7, and Mozilla Thunderbird versions up to and excluding 60.7.

3

Is Microsoft Windows affected by CVE-2019-11694?

No, Microsoft Windows is not vulnerable to CVE-2019-11694.

4

What is the severity level of CVE-2019-11694?

CVE-2019-11694 has a severity level of 7.5 (high).

5

How can I fix CVE-2019-11694?

To fix CVE-2019-11694, update to the latest version of Mozilla Firefox, Mozilla Firefox ESR, or Mozilla Thunderbird.

Contact

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