CVE-2008-5907

The 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.

• http://libpng.sourceforge.net/index.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.htmlThird Party Advisory
• http://openwall.com/lists/oss-security/2009/01/09/1Mailing List, Third Party Advisory
• http://secunia.com/advisories/34320Third Party Advisory
• http://secunia.com/advisories/34388Third Party Advisory
• http://security.gentoo.org/glsa/glsa-200903-28.xmlThird Party Advisory
• http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implementThird Party Advisory
• http://www.debian.org/security/2009/dsa-1750Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/48128Third Party Advisory, VDB Entry
• http://libpng.sourceforge.net/index.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.htmlThird Party Advisory
• http://openwall.com/lists/oss-security/2009/01/09/1Mailing List, Third Party Advisory
• http://secunia.com/advisories/34320Third Party Advisory
• http://secunia.com/advisories/34388Third Party Advisory
• http://security.gentoo.org/glsa/glsa-200903-28.xmlThird Party Advisory
• http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implementThird Party Advisory
• http://www.debian.org/security/2009/dsa-1750Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/48128Third Party Advisory, VDB Entry

Published

Jan 15, 2009

Last Modified

Jun 16, 2026

Status

Modified

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