high
7.5
CWE
755 908
Advisory Published
Updated

CVE-2019-11694

First published: Tue 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.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<67
67
<67
67
<60.7
60.7
<60.7
60.7
Mozilla Firefox<67.0
Mozilla Firefox ESR<60.7.0
Mozilla Thunderbird<60.7.0
Microsoft Windows

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • 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.

  • 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.

  • Is Microsoft Windows affected by CVE-2019-11694?

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

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

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

  • 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.

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