Mozilla Firefox up to 3.6.17 Browser Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Mozilla Firefox up to 3.6.17 (Web Browser) and classified as very critical. This issue affects an unknown functionality of the component Browser Engine. 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. The summary by CVE is:

Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-2365.

The weakness was released 06/30/2011 by Martin Barbella (Nils) as Bug 651990 as not defined bug report (Bugzilla). The advisory is shared at The identification of this vulnerability is CVE-2011-2364. 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 price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2021).

The vulnerability scanner Nessus provides a plugin with the ID 55404 (CentOS 4 / 5 : firefox (CESA-2011:0885)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119343 (Red Hat Update for Xulrunner Firefox (RHSA-2011:0885)).

Upgrading to version eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (55404). Entries connected to this vulnerability are available at 57833, 57832, 57831 and 57830.







CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 55404
Nessus Name: CentOS 4 / 5 : firefox (CESA-2011:0885)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 69998
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox


06/03/2011 🔍
06/21/2011 +18 days 🔍
06/21/2011 +0 days 🔍
06/22/2011 +1 days 🔍
06/30/2011 +8 days 🔍
06/30/2011 +0 days 🔍
03/23/2015 +1362 days 🔍
11/13/2021 +2427 days 🔍



Advisory: Bug 651990
Researcher: Martin Barbella (Nils)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2364 (🔍)

Vulnerability Center: 31963 - Mozilla Firefox and Thunderbird Remote Arbitrary Code Execution or DoS Vulnerability (CVE-2011-2364), Medium
SecurityFocus: 48354 - RETIRED: Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2011-19 through -28 Multiple Vulnerabilities
Secunia: 45002

See also: 🔍


Created: 03/23/2015 04:50 PM
Updated: 11/13/2021 05:04 PM
Changes: 03/23/2015 04:50 PM (64), 03/24/2017 12:14 PM (10), 11/13/2021 04:56 PM (4), 11/13/2021 05:04 PM (1)
Complete: 🔍


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