Google Chrome up to 23.0.1271.12 URL Loader resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Google Chrome up to 23.0.1271.12 (Web Browser) and classified as critical. This issue affects an unknown part of the component URL Loader. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the URL loader.

The weakness was published 12/12/2012 by Chamal De Silva (pawlkt) with Google Chrome Security Team as 159429 (Website). The advisory is shared at The identification of this vulnerability is CVE-2012-5140 since 09/24/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 63256 (FreeBSD : chromium -- multiple vulnerabilities (51f84e28-444e-11e2-8306-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120725 (Google Chrome Prior to 23.0.1271.97 Multiple Vulnerabilities).

Upgrading to version 23.0.1271.13 eliminates this vulnerability. The upgrade is hosted for download at

The vulnerability is also documented in the databases at SecurityFocus (BID 56903), X-Force (80632), Vulnerability Center (SBV-37695) and Tenable (63256). Similar entries are available at 7163, 7164, 7165 and 7166.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Denial of service
CWE: CWE-399
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 63256
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (51f84e28-444e-11e2-8306-00262d5ed8ee)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 803128
OpenVAS Name: Google Chrome Multiple Vulnerabilities-03 Dec2012 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 23.0.1271.13


09/24/2012 🔍
12/11/2012 +78 days 🔍
12/11/2012 +0 days 🔍
12/12/2012 +1 days 🔍
12/12/2012 +0 days 🔍
12/17/2012 +5 days 🔍
06/15/2014 +545 days 🔍
03/24/2015 +282 days 🔍
04/22/2017 +760 days 🔍



Advisory: 159429
Researcher: Chamal De Silva (pawlkt)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-5140 (🔍)

SecurityFocus: 56903 - Google Chrome Prior to 23.0.1271.97 Multiple Security Vulnerabilities
X-Force: 80632
Vulnerability Center: 37695 - Google Chrome Before 23.0.1271.97 Use-After-Free DoS Vulnerability Related to the URL Loader, Medium

See also: 🔍


Created: 03/24/2015 12:22 PM
Updated: 04/22/2017 05:12 PM
Changes: (7) advisory_person_name advisory_person_nickname advisory_company_name advisory_confirm_url source_cve_assigned source_securityfocus_date source_securityfocus_class
Complete: 🔍


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