Mozilla Firefox Updater nsXULCommandDispatcher 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, which was classified as very critical, has been found in Mozilla Firefox (Web Browser) (unknown version). Affected by this issue is the function nsXULCommandDispatcher of the component Updater. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the nsXULCommandDispatcher function in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via a crafted XUL document that dequeues the current command updater.

The weakness was presented 06/30/2011 by Martin Barbella (Nils) as Bug 648100 as not defined bug report (Bugzilla). The advisory is available at This vulnerability is handled as CVE-2011-0085. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k 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)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11404.

The vulnerability is also documented in the vulnerability database at Tenable (55404).






CPE 2.3info

CPE 2.2info


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

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
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Class: Resource management
CWE: CWE-399 / CWE-404

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


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

OpenVAS ID: 69975
OpenVAS Name: Debian Security Advisory DSA 2268-1 (iceweasel)
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍


12/21/2010 🔍
06/21/2011 +182 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 648100
Researcher: Martin Barbella (Nils)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0085 (🔍)

Vulnerability Center: 31958 - Mozilla Firefox, SeaMonkey, and Thunderbird Remote Code Execution or DoS (CVE-2011-0085), Medium
SecurityFocus: 48354 - RETIRED: Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2011-19 through -28 Multiple Vulnerabilities
Secunia: 45002


Created: 03/23/2015 04:50 PM
Updated: 11/13/2021 04:27 PM
Changes: 03/23/2015 04:50 PM (63), 03/24/2017 12:13 PM (10), 11/13/2021 04:19 PM (5), 11/13/2021 04:27 PM (1)
Complete: 🔍
Cache ID: 34:9EF:40


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