Mozilla Firefox up to 12.0 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, which was classified as very critical, was found in Mozilla Firefox (Web Browser). This affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

The weakness was presented 06/05/2012 by I. Bukanov, O. Pettav, B. Zbarsky and J. Ruderman (rshaw) as 2012-34 as confirmed knowledge base article (Website). The advisory is shared at The public release was coordinated in cooperation with Mozilla. This vulnerability is uniquely identified as CVE-2012-1937 since 03/30/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 03/25/2021).

The vulnerability scanner Nessus provides a plugin with the ID 59777 (Debian DSA-2499-1 : 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120275 (Red Hat Update for Xulrunner Firefox (RHSA-2012:0710)).

Upgrading to version 13.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (59777).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.2

VulDB Base Score: 9.6
VulDB Temp Score: 9.2
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 59777
Nessus Name: Debian DSA-2499-1 : icedove - several vulnerabilities
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OpenVAS ID: 71468
OpenVAS Name: Debian Security Advisory DSA 2488-1 (iceweasel)
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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Upgrade: Firefox 13.0


03/30/2012 🔍
06/05/2012 +67 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/06/2012 +1 days 🔍
06/06/2012 +0 days 🔍
06/06/2012 +0 days 🔍
06/06/2012 +0 days 🔍
06/08/2012 +2 days 🔍
06/29/2012 +21 days 🔍
03/25/2021 +3191 days 🔍



Advisory: 2012-34
Researcher: I. Bukanov, O. Pettav, B. Zbarsky, J. Ruderman (rshaw)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1937 (🔍)

SecurityTracker: 1027120 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 35267 - Mozilla Browsers Memory Corruption Vulnerability Allows Remote Code Execution \\ DoS - CVE-2012-1937, Medium
SecurityFocus: 53800 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-1937 Memory Corruption Vulnerability
Secunia: 49366 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 82667


Created: 06/08/2012 05:28 PM
Updated: 03/25/2021 09:52 AM
Changes: 06/08/2012 05:28 PM (79), 01/31/2018 09:52 AM (12), 03/25/2021 09:52 AM (2)
Complete: 🔍
Cache ID: 3:4B9:40


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