CVE-2015-4486

Description

The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.50% Top 20%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html vendor advisory
http://www.ubuntu.com/usn/USN-2702-3 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html vendor advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-89.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1586.html vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html vendor advisory
http://www.securitytracker.com/id/1033247 vdb entry
http://www.ubuntu.com/usn/USN-2702-2 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1178148 issue tracking
http://www.ubuntu.com/usn/USN-2702-1 third party advisory vendor advisory
https://security.gentoo.org/glsa/201605-06 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4486?
CVE-2015-4486 has been scored as a critical severity vulnerability.
How to fix CVE-2015-4486?
To fix CVE-2015-4486, 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-2015-4486 being actively exploited in the wild?
It is possible that CVE-2015-4486 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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