update for MozillaFirefox, MozillaThunderbird, mozilla-xulrunner192, xulrunner, seamonkey
the embedded copy of libpng was prone to a heap based buffer overflow
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Submitted by
Wolfgang Rosenauer (wrosenauer)
Fixed bugs
bnc#747328
Firefox contains vulnerable copy of libpng
CVE-CVE-2011-3026
Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.
