CVE-2015-4484

Description

The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.93% Top 30%
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 debian.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://www.mozilla.org/security/announce/2015/mfsa2015-87.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://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=1171540 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://www.debian.org/security/2015/dsa-3333 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-2015-4484?
CVE-2015-4484 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4484?
To fix CVE-2015-4484, 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-2015-4484 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4484 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.
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