CVE-2009-2042

NameCVE-2009-2042
Descriptionlibpng before 1.2.37 does not properly parse 1-bit interlaced images with width values that are not divisible by 8, which causes libpng to include uninitialized bits in certain rows of a PNG file and might allow remote attackers to read portions of sensitive memory via "out-of-bounds pixels" in the file.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2032-1
NVD severitymedium (attack range: remote, user-initiated)
Debian Bugs533676
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libpng (PTS)squeeze (security), squeeze1.2.44-1+squeeze4fixed
wheezy1.2.49-1fixed
jessie, sid1.2.50-2fixed
xulrunner (PTS)wheezy, wheezy (security)24.8.1esr-2~deb7u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libpngsource(unstable)1.2.37-1low533676
libpngsourcelenny1.2.27-2+lenny3mediumDSA-2032-1
xulrunnersource(unstable)(not affected)

Notes

[etch] - libpng <no-dsa> (Minor issue, only exploitable in rare setups)
- xulrunner <not-affected> (xulrunner dynamically linked against libpng; embeded code copy not used)

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