CVE-2019-11694

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2019-13/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2019-15/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2019-14/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1534196 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11694?
CVE-2019-11694 has been scored as a high severity vulnerability.
How to fix CVE-2019-11694?
To fix CVE-2019-11694, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11694 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11694 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11694?
CVE-2019-11694 affects Mozilla Thunderbird, Mozilla Firefox, Mozilla Firefox ESR.
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