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CVE-2004-0421

5.0 · MEDIUM

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-b…

Published Aug 18, 2004libpngCWE-125EPSS 4.11%

Overview

CVE-2004-0421 is a medium-severity vulnerability affecting libpng libpng. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from libpng. Update libpng to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.apple.com/mhonarc/security-announce/msg00056.htmlRefmarc.info/?l=bugtraq&m=108334922320309&w=2Refmarc.info/?l=bugtraq&m=108335030208523&w=2Refmarc.info/?l=fedora-announce-list&m=108451350029261&w=2Refmarc.info/?l=fedora-announce-list&m=108451353608968&w=2Refsecunia.com/advisories/22957Refsecunia.com/advisories/22958Refwww.debian.org/security/2004/dsa-498Refwww.mandriva.com/security/advisories?name=MDKSA-2004:040Refwww.mandriva.com/security/advisories?name=MDKSA-2006:212

How CyberStrike helps

Frequently asked questions

What is CVE-2004-0421?

CVE-2004-0421 is a medium-severity vulnerability affecting libpng libpng. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2004-0421?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2004-0421?

Check the references section for vendor advisories and patches from libpng. Update libpng to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2004-0421?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-0421 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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