Mozilla Firefox up to 3.6.16 Browser Engine memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as very critical was found in Mozilla Firefox (Web Browser). Affected by this vulnerability is some unknown functionality of the component Browser Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14 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-2011-0072, CVE-2011-0074, CVE-2011-0077, and CVE-2011-0078.

The weakness was disclosed 05/07/2011 by Aki Helin as Bug 635977 as not defined bug report (Bugzilla). It is possible to read the advisory at This vulnerability is known as CVE-2011-0075. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/06/2021).

The vulnerability scanner Nessus provides a plugin with the ID 53598 (CentOS 4 / 5 : firefox (CESA-2011:0471)), 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 119220 (Red Hat Update for Xulrunner Firefox (RHSA-2011:0471)).

Upgrading to version 1.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (67190), Tenable (53598), SecurityFocus (BID 47647†) and Vulnerability Center (SBV-31271†).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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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: 53598
Nessus Name: CentOS 4 / 5 : firefox (CESA-2011:0471)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 69570
OpenVAS Name: Debian Security Advisory DSA 2227-1 (iceape)
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 1.5


12/21/2010 🔍
04/28/2011 +128 days 🔍
04/28/2011 +0 days 🔍
05/01/2011 +3 days 🔍
05/07/2011 +6 days 🔍
05/07/2011 +0 days 🔍
03/23/2015 +1416 days 🔍
11/06/2021 +2420 days 🔍



Advisory: Bug 635977
Researcher: Aki Helin
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0075 (🔍)

X-Force: 67190
SecurityFocus: 47647 - Mozilla Firefox/Thunderbird/SeaMonkey HTML Iframe Tag Memory Corruption Vulnerability
Vulnerability Center: 31271 - Mozilla Firefox, SeaMonkey and Thunderbird HTML iFrame Tag Remote Code Execution Vulnerability, Medium


Created: 03/23/2015 04:50 PM
Updated: 11/06/2021 03:13 AM
Changes: 03/23/2015 04:50 PM (65), 03/22/2017 09:31 AM (9), 11/06/2021 03:06 AM (3), 11/06/2021 03:13 AM (1)
Complete: 🔍
Cache ID: 44:A8F:40


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