| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox up to 3.0.5 and classified as problematic. Affected is an unknown function. Performing a manipulation results in resource management. This vulnerability is known as CVE-2009-0071. Furthermore, an exploit is available. The affected component should be upgraded.
Details
A vulnerability was found in Mozilla Firefox up to 3.0.5 (Web Browser). It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
Mozilla Firefox 3.0.5 and earlier 3.0.x versions, when designMode is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a certain (a) replaceChild or (b) removeChild call, followed by a (1) queryCommandValue, (2) queryCommandState, or (3) queryCommandIndeterm call. NOTE: it was later reported that 3.0.6 and 3.0.7 are also affected.
The bug was discovered 09/24/2008. The weakness was published 01/08/2009 by SkyLined as Bug 472507 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.mozilla.org. This vulnerability is uniquely identified as CVE-2009-0071 since 01/08/2009. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.
The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 106 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 63402 (GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116243 (Mozilla Firefox "designMode" Null Pointer Dereference Denial of Service Vulnerability).
Upgrading eliminates this vulnerability. A possible mitigation has been published 5 years after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (47872), Exploit-DB (8091), Tenable (63402), SecurityFocus (BID 33154†) and OSVDB (52657†). Similar entries are available at VDB-5327, VDB-36797, VDB-36612 and VDB-37141. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 63402
Nessus Name: GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 800406
OpenVAS Name: Firefox Browser designMode Null Pointer Dereference DoS Vulnerability - Linux
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
09/24/2008 🔍09/24/2008 🔍
01/08/2009 🔍
01/08/2009 🔍
01/08/2009 🔍
01/08/2009 🔍
03/02/2009 🔍
01/08/2013 🔍
01/08/2013 🔍
03/17/2015 🔍
05/22/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Bug 472507
Researcher: SkyLined
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2009-0071 (🔍)
GCVE (CVE): GCVE-0-2009-0071
GCVE (VulDB): GCVE-100-45825
X-Force: 47872
SecurityFocus: 33154 - Mozilla Firefox 'designMode' Null Pointer Dereference Denial of Service Vulnerability
OSVDB: 52657 - Mozilla - Firefox - 'designMode' Null Pointer Dereference Denial of Service Issue
Vulnerability Center: 21140 - Mozilla Firefox 3-3.0.5 with designMode Enabled Remote DoS Vulnerability, Low
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/17/2015 16:11Updated: 05/22/2025 20:34
Changes: 03/17/2015 16:11 (79), 08/28/2019 18:55 (6), 11/24/2024 10:50 (19), 05/22/2025 20:34 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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