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Vulnerability record · CVE-2004-0421 · published 18 August 2004

CVE-2004-0421: Libpng out-of-bounds read vulnerability

LLibpng · Libpng

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.

5.0 CVSS 2.0 Medium EPSS 4.1% · top 9.6% CWE-125 · Out-of-bounds read
5.0CVSS 2.0 base score
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
34References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/mhonarc/security-announce/msg00056.html Broken Link
http://marc.info/?l=bugtraq&m=108334922320309&w=2 Mailing List
http://marc.info/?l=bugtraq&m=108335030208523&w=2 Mailing List
http://marc.info/?l=fedora-announce-list&m=108451350029261&w=2 Mailing List
http://marc.info/?l=fedora-announce-list&m=108451353608968&w=2 Mailing List
http://secunia.com/advisories/22957 Broken Link
http://secunia.com/advisories/22958 Broken Link
http://www.debian.org/security/2004/dsa-498 Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2004:040 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:212 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:213 Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-180.html Broken LinkPatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-181.html Broken Link
http://www.securityfocus.com/bid/10244 Broken LinkPatchThird Party AdvisoryVDB EntryVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16022 Broken LinkVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11710 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A971 Broken Link
http://lists.apple.com/mhonarc/security-announce/msg00056.html Broken Link
http://marc.info/?l=bugtraq&m=108334922320309&w=2 Mailing List
http://marc.info/?l=bugtraq&m=108335030208523&w=2 Mailing List
http://marc.info/?l=fedora-announce-list&m=108451350029261&w=2 Mailing List
http://marc.info/?l=fedora-announce-list&m=108451353608968&w=2 Mailing List
http://secunia.com/advisories/22957 Broken Link
http://secunia.com/advisories/22958 Broken Link
http://www.debian.org/security/2004/dsa-498 Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2004:040 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:212 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:213 Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-180.html Broken LinkPatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-181.html Broken Link
http://www.securityfocus.com/bid/10244 Broken LinkPatchThird Party AdvisoryVDB EntryVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16022 Broken LinkVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11710 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A971 Broken Link

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Source: NIST National Vulnerability Database (record CVE-2004-0421), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.