Mozilla Firefox 3.5.1/3.5.2/3.5.3 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 critical, has been found in Mozilla Firefox 3.5.1/3.5.2/3.5.3 (Web Browser). Affected by this issue is some unknown processing. 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 weakness was disclosed 10/29/2009 with Mozilla as MFSA2009-63 as not defined advisory (Website). The advisory is shared for download at This vulnerability is handled as CVE-2009-3378 since 09/24/2009. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 42295 (CentOS 4 : firefox (CESA-2009:1530)), 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 116565 (Mozilla Firefox and SeaMonkey Multiple Vulnerabilities (MFSA 2009-52 through MFSA 2009-64)).

Upgrading to version 3.0.15 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (42295). The entries 50808, 50648, 50647 and 50646 are pretty similar.







CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Proof-of-Concept

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Current Price Estimation: 🔍


Nessus ID: 42295
Nessus Name: CentOS 4 : firefox (CESA-2009:1530)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 66159
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 3.0.15
Fortigate IPS: 🔍


09/24/2009 🔍
10/27/2009 +33 days 🔍
10/27/2009 +0 days 🔍
10/28/2009 +1 days 🔍
10/29/2009 +0 days 🔍
10/29/2009 +0 days 🔍
10/29/2009 +0 days 🔍
11/02/2009 +4 days 🔍
11/19/2009 +17 days 🔍
03/17/2021 +4136 days 🔍



Advisory: MFSA2009-63
Organization: Mozilla
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3378 (🔍)

Vulnerability Center: 23905 - Mozilla Firefox Prior to 3.5.4 liboggplay Remote Arbitrary Code Execution or DoS Vulnerability, High
SecurityFocus: 36873 - Mozilla Firefox CVE-2009-3378 Remote Memory Corruption Vulnerability
Secunia: 36711 - Mozilla Firefox Multiple Vulnerabilities, Highly Critical
OSVDB: 59388 - Mozilla Firefox liboggplay oggplay_data_handle_theora_frame Function NULL Dereference DoS
Vupen: ADV-2009-3334

See also: 🔍


Created: 11/19/2009 02:25 PM
Updated: 03/17/2021 03:42 PM
Changes: 11/19/2009 02:25 PM (83), 01/31/2018 09:52 AM (9), 03/17/2021 03:42 PM (2)
Complete: 🔍


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