Google Chrome 42 v8 type confusion

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 42 (Web Browser) and classified as critical. Affected by this issue is an unknown code of the component v8. The manipulation with an unknown input leads to a type confusion vulnerability. Using CWE to declare the problem leads to CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 04/14/2015 (Website). The advisory is available at This vulnerability is handled as CVE-2015-1242 since 01/21/2015. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/09/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 83120 (Debian DSA-3238-1 : chromium-browser - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123525 (Google Chrome Prior to 42.0.2311.90 Multiple Vulnerabilities).

Upgrading to version 42.0.2311.90 eliminates this vulnerability. The upgrade is hosted for download at

The vulnerability is also documented in the databases at X-Force (102381) and Tenable (83120). The entries 75006, 75005, 75004 and 75003 are pretty similar.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Type confusion
CWE: CWE-843
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 83120
Nessus Name: Debian DSA-3238-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703238
OpenVAS Name: Debian Security Advisory DSA 3238-1 (chromium-browser - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 42.0.2311.90


01/21/2015 🔍
04/14/2015 +83 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/17/2015 +2 days 🔍
04/19/2015 +2 days 🔍
05/09/2022 +2577 days 🔍



Advisory: usn-2570-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1242 (🔍)

X-Force: 102381 - Google Chrome V8 code execution
SecurityTracker: 1032209
Vulnerability Center: 49577 - Google Chrome <42.0.2311.90 Remote DoS or Other Impact in V8, High
SecurityFocus: 74165

See also: 🔍


Created: 04/17/2015 11:13 AM
Updated: 05/09/2022 09:45 AM
Changes: 04/17/2015 11:13 AM (65), 06/26/2017 09:11 AM (7), 05/09/2022 09:43 AM (5), 05/09/2022 09:44 AM (1), 05/09/2022 09:45 AM (2)
Complete: 🔍


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