|Bugzilla:||843179: CVE-2011-3464 libpng: One-byte stack buffer overrun in png_formatted_warning|
The MITRE CVE dictionary describes this issue as:
Off-by-one error in the png_formatted_warning function in pngerror.c in libpng 1.5.4 through 1.5.7 might allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unspecified vectors, which trigger a stack-based buffer overflow.
Not vulnerable. This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 4, 5, and 6.
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