Mozilla Firefox up to 11.0 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 11.0 (Web Browser). It has been declared as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The software 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 weakness was presented 04/24/2012 by Christian Holler with Mozilla as MFSA 2012-20 as not defined knowledge base article (Website). The advisory is shared for download at The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2012-0467 since 01/09/2012. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available.

A private exploit has been developed by Mozilla. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 58978 (Debian DSA-2464-2 : icedove - several vulnerabilities), 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 local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120189 (Red Hat Update for Xulrunner Firefox (RHSA-2012:0515)).

Upgrading to version 12.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Vulnerability Center (SBV-34953) and Tenable (58978). See 5005, 5301, 5302 and 5303 for similar entries.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.1
VulDB Temp Score: 6.4
VulDB Vector: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: Mozilla

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 58978
Nessus Name: Debian DSA-2464-2 : icedove - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 892457
OpenVAS Name: Debian Security Advisory DSA 2457-2 (iceweasel - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 12.0


01/09/2012 🔍
04/24/2012 +106 days 🔍
04/24/2012 +0 days 🔍
04/24/2012 +0 days 🔍
04/24/2012 +0 days 🔍
04/25/2012 +1 days 🔍
04/25/2012 +0 days 🔍
04/28/2012 +3 days 🔍
05/03/2012 +5 days 🔍
05/04/2012 +1 days 🔍
03/24/2021 +3246 days 🔍



Advisory: MFSA 2012-20
Researcher: Christian Holler
Organization: Mozilla
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-0467 (🔍)

Vulnerability Center: 34953 - Mozilla Firefox <12, Thunderbird <12, SeaMonkey <2.9 Multiple Memory Safety Problems (CVE-2012-0467), Critical
SecurityFocus: 53223 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-0467 Memory Corruption Vulnerability
Secunia: 48932 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 81513

scip Labs:
See also: 🔍


Created: 05/03/2012 12:51 PM
Updated: 03/24/2021 08:56 AM
Changes: 05/03/2012 12:51 PM (78), 01/31/2018 09:53 AM (11), 03/24/2021 08:56 AM (2)
Complete: 🔍


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