Google Chrome up to 16.0.912.75 Glyph harfbuzz-myanmar.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in Google Chrome up to 16.0.912.75 (Web Browser) and classified as critical. This vulnerability affects an unknown function of the file harfbuzz-myanmar.c of the component Glyph Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in Google Chrome before 16.0.912.75 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to glyph handling.

The weakness was disclosed 01/05/2012 by Boris Zbarsky with Google Chrome Security Team as 108006 (Website). The advisory is available at The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2011-3922 since 10/01/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 74789 (openSUSE Security Update : libqt4 (openSUSE-2012-72)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120471 (CentOS Security Update for Qt (CESA-2012:0880)).

Upgrading to version 16.0.912.75 eliminates this vulnerability. The upgrade is hosted for download at A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (74789). The entries 4520, 4521, 4575 and 6351 are pretty similar.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍


Nessus ID: 74789
Nessus Name: openSUSE Security Update : libqt4 (openSUSE-2012-72)
Nessus File: 🔍
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OpenVAS ID: 70580
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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Exposure Time: 🔍

Upgrade: Chrome 16.0.912.75


10/01/2011 🔍
01/05/2012 +96 days 🔍
01/05/2012 +0 days 🔍
01/06/2012 +1 days 🔍
01/06/2012 +0 days 🔍
01/06/2012 +0 days 🔍
01/07/2012 +0 days 🔍
01/07/2012 +0 days 🔍
01/12/2012 +5 days 🔍
01/21/2012 +9 days 🔍
06/13/2014 +874 days 🔍
03/20/2021 +2472 days 🔍



Advisory: 108006
Researcher: Boris Zbarsky
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2011-3922 (🔍)

SecurityTracker: 1026487 - Google Chrome Multiple Flaws Let Remote Users Execute Arbitrary Code
Vulnerability Center: 34211 - Google Chrome Before 16.0.912.75 Stack-Based Buffer Overflow via Vectors Related to Glyph Handling, Medium
SecurityFocus: 51300 - Google Chrome Prior to 16.0.912.75 Multiple Security Vulnerabilities
Secunia: 47445 - Gentoo update for chromium and v8, Highly Critical
OSVDB: 78150

See also: 🔍


Created: 01/21/2012 01:00 AM
Updated: 03/20/2021 11:56 AM
Changes: 01/21/2012 01:00 AM (90), 04/17/2019 02:03 PM (4), 03/20/2021 11:56 AM (2)
Complete: 🔍


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