Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 12.04 |
| Opensuse | Opensuse | 13.1 |
| Mozilla | Firefox | <= 39.0.3 |
| Oracle | Solaris | 11.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
- http://rhn.redhat.com/errata/RHSA-2015-1586.html
- http://www.debian.org/security/2015/dsa-3333
- http://www.mozilla.org/security/announce/2015/mfsa2015-87.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
- http://www.securitytracker.com/id/1033247
- http://www.ubuntu.com/usn/USN-2702-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2702-2Third Party Advisory
- http://www.ubuntu.com/usn/USN-2702-3
FAQ
What is CVE-2015-4484?
CVE-2015-4484 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 servic...
How severe is CVE-2015-4484?
CVE-2015-4484 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4484?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Opensuse Opensuse, Mozilla Firefox, Oracle Solaris.