DescriptionHeap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might allow context-dependent attackers to execute arbitrary code via a "very wide interlaced" PNG image.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)
Debian Bugs773823, 773824

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icedove (PTS)jessie1:52.3.0-4~deb8u2fixed
libpng (PTS)jessie1.2.50-2+deb8u3fixed
jessie (security)1.2.50-2+deb8u2fixed
libpng1.6 (PTS)stretch1.6.28-1fixed
stretch (security)1.6.28-1+deb9u1fixed
buster, sid1.6.36-6fixed
texlive-bin (PTS)jessie2014.20140926.35254-6fixed
jessie (security)2014.20140926.35254-6+deb8u1fixed
stretch (security), stretch2016.20160513.41080.dfsg-2+deb9u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
icedovesource(unstable)(not affected)
iceweaselsource(unstable)(not affected)
libpngsource(unstable)(not affected)
texlive-binsourcesqueeze(not affected)
texlive-binsourcewheezy(not affected)


- libpng <not-affected> (Affects 1.5.x and 1.6.x series)
[squeeze] - texlive-bin <not-affected> (has a copy of libpng 1.2)
[wheezy] - texlive-bin <not-affected> (uses system libpng)
- iceweasel <not-affected> (squeeze used the system libpng, and later versions define their own limits)
- icedove <not-affected> (squeeze used the system libpng, and later versions define their own limits)

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