CVE-2016-5299

Name: CVE-2016-5299
Creator: NVD / NIST
Published: 2018-06-11T21:29:00.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.64%

Last modified Jun 17, 2026

CVE-2016-5299 is a vulnerability of currently unknown severity. A previously installed malicious Android application with same signature-level permissions as Firefox can intercept AuthTokens meant for Firefox only. Note: This issue only affects Firefox for Android. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

A previously installed malicious Android application with same signature-level permissions as Firefox can intercept AuthTokens meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50.

Metrics

EPSS Probability

1.64%

73.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-275

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 50.0

References

http://www.securityfocus.com/bid/94337Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1245791Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory
http://www.securityfocus.com/bid/94337Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1245791Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5299?

How severe is CVE-2016-5299?

Severity scoring for CVE-2016-5299 is pending analysis. The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5299?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5299?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST