The Portable Network Graphics library (libpng) 1.0.15 and earlier allows attackers to cause a denial of service (crash) via a malformed PNG image file that triggers an error that causes an out-of-bounds read when creating the error message.
CVE-2004-0421 is a security vulnerability that . Impacting 6 products from libpng, from openpkg, from redhat and 3 others, organizations running these solutions should prioritize assessment and patching.
Originally identified in 2004, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2004-08-18T04:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | libpng | libpng | 1.0.0 | Yes |
| Application | libpng | libpng | 1.0.5 | Yes |
| Application | libpng | libpng | 1.0.6 | Yes |
| Application | libpng | libpng | 1.0.7 | Yes |
| Application | libpng | libpng | 1.0.8 | Yes |
| Application | libpng | libpng | 1.0.9 | Yes |
| Application | libpng | libpng | 1.0.10 | Yes |
| Application | libpng | libpng | 1.0.11 | Yes |
| Application | libpng | libpng | 1.0.12 | Yes |
| Application | libpng | libpng | 1.0.13 | Yes |
| Application | libpng | libpng | 1.0.14 | Yes |
| Application | libpng | libpng | 1.2.0 | Yes |
| Application | libpng | libpng | 1.2.1 | Yes |
| Application | libpng | libpng | 1.2.2 | Yes |
| Application | libpng | libpng | 1.2.3 | Yes |
| Application | libpng | libpng | 1.2.4 | Yes |
| Application | libpng | libpng | 1.2.5 | Yes |
| Application | openpkg | openpkg | 1.3 | Yes |
| Application | openpkg | openpkg | 2.0 | Yes |
| Application | redhat | libpng | 1.2.2-16 | Yes |
| Application | redhat | libpng | 1.2.2-20 | Yes |
| Operating System | redhat | enterprise_linux | 2.1 | Yes |
| Operating System | redhat | enterprise_linux | 3.0 | Yes |
| Operating System | redhat | enterprise_linux_desktop | 3.0 | Yes |
| Operating System | trustix | secure_linux | 2.0 | Yes |
| Operating System | trustix | secure_linux | 2.1 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For libpng's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.