CVE-2016-5256

Name: CVE-2016-5256
Creator: NVD / NIST
Published: 2016-09-22T22:59:01.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.84%

Last modified Jun 17, 2026

CVE-2016-5256 is a vulnerability of currently unknown severity. Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.. EPSS estimates a 3.84% chance of exploitation in the next 30 days.

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Metrics

EPSS Probability

3.84%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 48.0.2

References

http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
http://www.securityfocus.com/bid/93052
http://www.securitytracker.com/id/1036852
https://bugzilla.mozilla.org/show_bug.cgi?id=1268034Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1276413Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1282746Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1290244Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1296078Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1296087Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1297099Issue Tracking
https://security.gentoo.org/glsa/201701-15
http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
http://www.securityfocus.com/bid/93052
http://www.securitytracker.com/id/1036852
https://bugzilla.mozilla.org/show_bug.cgi?id=1268034Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1276413Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1282746Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1290244Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1296078Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1296087Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1297099Issue Tracking
https://security.gentoo.org/glsa/201701-15

Timeline

Published: Sep 22, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5256?

How severe is CVE-2016-5256?

Severity scoring for CVE-2016-5256 is pending analysis. The EPSS model estimates a 3.84% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5256?

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-2016-5256?

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

Scan your code now

Source: NVD / NIST