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Group :: Sistema/Servidores
RPM: cups
Main Changelog Spec Patches Sources Download Gear Bugs e FR Repocop
Patch: cups-1.2.12-CVE-2007-3387.patch
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--- cups/pdftops/Stream.cxx.orig 2007-07-31 16:52:05 +0400
+++ cups/pdftops/Stream.cxx 2007-07-31 16:52:25 +0400
@@ -411,15 +411,13 @@
ok = gFalse;
nVals = width * nComps;
- if (width <= 0 || nComps <= 0 || nBits <= 0 ||
- nComps >= INT_MAX / nBits ||
- width >= INT_MAX / nComps / nBits ||
- nVals * nBits + 7 < 0) {
- return;
- }
pixBytes = (nComps * nBits + 7) >> 3;
rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
- if (rowBytes <= 0) {
+ if (width <= 0 || nComps <= 0 || nBits <= 0 ||
+ nComps > gfxColorMaxComps ||
+ nBits > 16 ||
+ width >= INT_MAX / nComps || // check for overflow in nVals
+ nVals >= (INT_MAX - 7) / nBits) { // check for overflow in rowBytes
return;
}
predLine = (Guchar *)gmalloc(rowBytes);