Heap-based buffer overflow in the get_sos function in jdmarker.c in libjpeg-turbo 1.2.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large component count in the header of a JPEG image.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-2806
• https://bugzilla.mozilla.org/show_bug.cgi?id=759802
• https://bugzilla.redhat.com/show_bug.cgi?id=826849
• https://exchange.xforce.ibmcloud.com/vulnerabilities/76952
• http://libjpeg-turbo.svn.sourceforge.net/viewvc/libjpeg-turbo?view=revision&revision=830
• http://osvdb.org/84040
• http://secunia.com/advisories/49883
• http://secunia.com/advisories/50753
• http://security.gentoo.org/glsa/glsa-201209-13.xml
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:121
• http://www.openwall.com/lists/oss-security/2012/07/17/3
• http://www.securityfocus.com/bid/54480