This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-4214 →

DEBIAN-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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libpng1.6

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 libpng1.6

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 libpng1.6

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

advisory security-tracker.debian.org