CVE-2021-4214

NameCVE-2021-4214
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libpng1.6 (PTS)buster1.6.36-6vulnerable
bullseye1.6.37-3vulnerable
bookworm1.6.37-5vulnerable
sid1.6.38-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libpng1.6source(unstable)(unfixed)unimportant

Notes

https://github.com/glennrp/libpng/issues/302
Crash in CLI package, not shipped in binary packages

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