Google Chrome 49 PDFium use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability was found in Google Chrome 49 (Web Browser). It has been classified as critical. This affects an unknown function of the component PDFium. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 01/20/2016 by Christoph Diehl as Stable Channel Update, January 2016 as confirmed posting (Blog). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2016-1613 since 01/12/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/06/2022). 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 88067 (FreeBSD : chromium -- multiple vulnerabilities (371bbea9-3836-4832-9e70-e8e928727f8c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168458 (OpenSuSE Security Update for Chromium (openSUSE-SU-2016:0250-1)).

Upgrading to version 49.0.2623.0 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 databases at X-Force (109996) and Tenable (88067). The entries 80618, 80620, 80621 and 80622 are related to this item.







CPE 2.3info

CPE 2.2info


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


VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.6
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 88067
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (371bbea9-3836-4832-9e70-e8e928727f8c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703456
OpenVAS Name: Debian Security Advisory DSA 3456-1 (chromium-browser - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 49.0.2623.0


01/12/2016 🔍
01/20/2016 +8 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/22/2016 +2 days 🔍
01/22/2016 +0 days 🔍
01/24/2016 +2 days 🔍
01/25/2016 +1 days 🔍
07/06/2022 +2354 days 🔍



Advisory: Stable Channel Update, January 2016
Researcher: Christoph Diehl
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1613 (🔍)
X-Force: 109996 - Google Chrome PDFium code execution
SecurityTracker: 1034801
Vulnerability Center: 56101 - Google Chrome <48.0.2564.82 Remote Code Execution due to Use-After-Free in PDFium, High
SecurityFocus: 81430 - Google Chrome Prior to 48.0.2564.82 Multiple Security Vulnerabilities

See also: 🔍


Created: 01/22/2016 04:44 PM
Updated: 07/06/2022 06:49 AM
Changes: 01/22/2016 04:44 PM (73), 07/05/2018 08:46 AM (18), 07/06/2022 06:49 AM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!