CVE-2016-5287

Description

A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox < 49.0.2.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.59%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2016-87/ vendor advisory
http://www.securityfocus.com/bid/93811 vdb entry third party advisory
http://www.securitytracker.com/id/1037077 vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1309823 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-5287?
CVE-2016-5287 has been scored as a critical severity vulnerability.
How to fix CVE-2016-5287?
To fix CVE-2016-5287, 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-2016-5287 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-5287 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-5287?
CVE-2016-5287 affects Mozilla Firefox.
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