Is CVE-2004-0421 actively exploited?

CVE-2004-0421 has no public evidence of in-the-wild exploitation as of 2025-04-03.

What is the CVSS score for CVE-2004-0421?

CVE-2004-0421 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P.

How do I patch CVE-2004-0421?

Patch guidance is available from libpng security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2004-0421.

CVE-2004-0421 - remediation guidance & executive summary

Q: Which products are affected by CVE-2004-0421?

26 products: libpng libpng, libpng libpng, libpng libpng, libpng libpng, libpng libpng, and 21 more.

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.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: LIBPNG
Published: 8/18/2004
Last Modified: 4/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpngopenpkg : openpkgopenpkg : openpkgredhat : libpngredhat : libpngredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linux_desktoptrustix : secure_linuxtrustix : secure_linux

Remediation Guidance

Executive Summary

View on NIST NVD