CVE-2021-4214

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

• CWE-120
• CWE-787

• https://access.redhat.com/security/cve/CVE-2021-4214Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2043393Exploit, Issue Tracking, Third Party Advisory
• https://github.com/glennrp/libpng/issues/302Exploit, Third Party Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4214Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221020-0001/Third Party Advisory
• https://access.redhat.com/security/cve/CVE-2021-4214Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2043393Exploit, Issue Tracking, Third Party Advisory
• https://github.com/glennrp/libpng/issues/302Exploit, Third Party Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4214Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221020-0001/Third Party Advisory

Published

Aug 24, 2022

Last Modified

Jun 17, 2026

Status

Modified

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