Google Chrome prior 48.0.2564.109 Brotli dec/decode.c ProcessCommandsInternal memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as very critical, has been found in Google Chrome (Web Browser). Affected by this issue is the function ProcessCommandsInternal of the file dec/decode.c of the component Brotli. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in the ProcessCommandsInternal function in dec/decode.c in Brotli, as used in Google Chrome before 48.0.2564.109, allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via crafted data with brotli compression.

The weakness was presented 02/14/2016 by Mariusz Mlynski with Zero Day Initiative (Website). The advisory is shared for download at This vulnerability is handled as CVE-2016-1624. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/08/2022). 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 88869 (Debian DSA-3486-1 : 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168619 (OpenSuSE Security Update for Security Chromium (openSUSE-SU-2016:0518-1)).

Upgrading to version 48.0.2564.109 eliminates this vulnerability. The upgrade is hosted for download at A possible mitigation has been published 7 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (88869).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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NVD Base Score: 8.8
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 88869
Nessus Name: Debian DSA-3486-1 : chromium-browser - security update
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OpenVAS ID: 802597
OpenVAS Name: Google Chrome Multiple Vulnerabilities Feb16 (Windows)
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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Upgrade: Chrome 48.0.2564.109


01/12/2016 🔍
02/08/2016 +27 days 🔍
02/08/2016 +0 days 🔍
02/09/2016 +1 days 🔍
02/13/2016 +3 days 🔍
02/14/2016 +1 days 🔍
02/14/2016 +0 days 🔍
02/20/2016 +6 days 🔍
02/21/2016 +1 days 🔍
07/08/2022 +2328 days 🔍



Advisory: USN-2895-1
Researcher: Mariusz Mlynski
Organization: Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1624 (🔍)
SecurityTracker: 1035183
Vulnerability Center: 56542 - Google Chrome <48.0.2564.109 Remote DoS or Code Execution due to a Buffer Overflow in Brotli, High
SecurityFocus: 83125 - Google Chrome Prior to 48.0.2564.109 Multiple Security Vulnerabilities


Created: 02/14/2016 04:26 PM
Updated: 07/08/2022 07:16 AM
Changes: 02/14/2016 04:26 PM (75), 08/22/2018 09:47 AM (15), 07/08/2022 07:10 AM (5), 07/08/2022 07:16 AM (1)
Complete: 🔍
Cache ID: 44:703:40


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