CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in libpng up to 1.2.10. Affected is the function png_check_keyword of the file pngwutil.c. The manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2008-5907. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in libpng up to 1.2.10 (Image Processing Software). It has been rated as problematic. This issue affects the function png_check_keyword of the file pngwutil.c. Impacted is integrity. The summary by CVE is:

The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the \0 character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability.

The bug was discovered 12/18/2008. The weakness was disclosed 01/15/2009 (Website). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2008-5907 since 01/15/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 41270 (SuSE9 Security Update : libpng, libpng-devel (YOU Patch Number 12339)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116312 (Debian Security Update for libpng (DSA-1750)).

Upgrading to version 1.2.11 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48128), Tenable (41270), SecurityFocus (BID 31920†), OSVDB (53314†) and Secunia (SA34320†). The entry VDB-46668 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Image Processing Software

Name

• libpng

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 41270
Nessus Name: SuSE9 Security Update : libpng, libpng-devel (YOU Patch Number 12339)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63682
OpenVAS Name: Debian Security Advisory DSA 1750-1 (libpng)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libpng 1.2.11

Timelineinfo

09/18/2008 🔍
12/18/2008 +91 days 🔍
12/18/2008 +0 days 🔍
01/15/2009 +28 days 🔍
01/15/2009 +0 days 🔍
01/15/2009 +0 days 🔍
01/21/2009 +6 days 🔍
02/04/2009 +14 days 🔍
03/16/2009 +40 days 🔍
09/24/2009 +192 days 🔍
03/17/2015 +2000 days 🔍
06/08/2025 +3736 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5907 (🔍)
GCVE (CVE): GCVE-0-2008-5907
GCVE (VulDB): GCVE-100-45917

OVAL: 🔍

X-Force: 48128
SecurityFocus: 31920 - Libpng Library 'png_handle_tEXt()' Memory Leak Denial of Service Vulnerability
Secunia: 34320
OSVDB: 53314 - CVE-2008-5907 - libpng - Memory-corruption Issue
Vulnerability Center: 20704 - Libpng before 1.0.42 and 1.2.* before 1.2.34 Remote Memory Corruption Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/17/2015 04:11 PM
Updated: 06/08/2025 07:18 PM
Changes: 03/17/2015 04:11 PM (78), 08/26/2019 12:39 PM (4), 06/08/2025 07:18 PM (20)
Complete: 🔍
Cache ID: 18:CBD:40

Discussion

Do you want to use VulDB in your project?

Use the official API to access entries easily!