DescriptionBuffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows context-dependent attackers to execute arbitrary code via IDAT data with a large width, a different vulnerability than CVE-2014-9495.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs773823, 775673

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libpng1.6 (PTS)bullseye1.6.37-3fixed
sid, trixie1.6.43-5fixed
texlive-bin (PTS)bullseye (security), bullseye2020.20200327.54578-7+deb11u1fixed
sid, trixie2024.20240313.70630+ds-2fixed

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)
- 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)
[squeeze] - texlive-bin <not-affected> (has a copy of libpng 1.2)
[wheezy] - texlive-bin <not-affected> (uses system libpng)

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