# MA-527.102015: MyCERT Advisory - Google Releases Security Update for Chrome OS

**Date:** 15 Oct 2015  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-527.102015  
**Advisory ID:** MA-527.102015

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#### **1.0 Introduction**
Google has released Chrome version 46.0.2490.71 to address multiple vulnerabilities for Windows, Mac, and Linux. . Users and administrators are encouraged to review the Chrome Releases page and apply the necessary update
**2.0 Impact**
This update, which includes 24 security fixes to address vulnerabilities that could potentially allow an attacker to take control of the affected system. Table 1 below listed the security fixes:
|  |
| --- | --- | --- | **CVE** | **Issue** | **Severity** | CVE-2015-6755 | Cross-origin bypass in Blink | High | CVE-2015-6756 | Use-after-free in PDFium | High | CVE-2015-6757 | Use-after-free in ServiceWorker | High | CVE-2015-6758 | Bad-cast in PDFium | High | CVE-2015-6759 | Information leakage in LocalStorage | Medium | CVE-2015-6760 | Improper error handling in libANGLE | Medium | CVE-2015-6761 | Memory corruption in FFMpeg | Medium | CVE-2015-6762 | CORS bypass via CSS fonts | Low | CVE-2015-6763 | Various fixes from internal audits, fuzzing and other initiatives | ongoing internal security work |
Table 1 : List of security fixes
**3.0 Affected Products**
Listed below are the affected products:
- Google Chrome for Windows, Mac and Linux.
**4.0 Recommendation**
Users are recommended to upgrade to Google Chrome 46.0.2490.71. Systems will be automatically updated over the next few days. This build contains a number of security updates and stability fixes.
The latest Google Chrome can be downloaded from this URL:
• Windows users: <https://www.google.com/chrome/browser/?platform=win>
• Linux users: <https://www.google.com/chrome/browser/?platform=linux>
• Mac users: <https://www.google.com/chrome/browser/?platform=mac>
Generally, MyCERT advises the users of this software to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact MyCERT through the following channels:
E-mail: [[email protected]](/cdn-cgi/l/email-protection#bcdfc5ded9ce858585fcdfc5ded9cecfd9dfc9ced5c8c592d1c5) or [[email protected]](/cdn-cgi/l/email-protection#caa7b3a9afb8be8aa7b3a9afb8bee4a5b8ade4a7b3) 
Phone: 1-300-88-2999 (monitored during business hours)
Fax : +603 89453442 
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**5.0 References**
- US-CERT: Google Releases Security Update for Chrome,
<https://www.us-cert.gov/ncas/current-activity/2015/10/13/Google-Releases-Security-Update-Chrome>
- Chrome Release: Stable Channel Update,
<http://googlechromereleases.blogspot.my/2015/10/stable-channel-update.html>