CVE-2008-5907

NameCVE-2008-5907
DescriptionThe png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\0' character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability.
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)
ReferencesDSA-1750-1
NVD severitymedium
Debian Bugs512665

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libpngsourceetch1.2.15~beta5-1+etch2DSA-1750-1
libpngsourcelenny1.2.27-2+lenny2DSA-1750-1
libpngsource(unstable)1.2.35-1512665

Notes

Only an issues when using libpng to create out-of-spec images

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