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List: kde-commits
Subject: KDE_3_3_BRANCH: kdegraphics/kpdf/xpdf
From: Dirk Mueller <mueller () kde ! org>
Date: 2004-12-22 12:05:50
Message-ID: 20041222120550.DEF261C51F () office ! kde ! org
[Download RAW message or body]
CVS commit by mueller:
fix xpdf buffer overflow
M +3 -1 Gfx.cc 1.4.4.2
M +6 -1 GfxState.cc 1.3.4.2
--- kdegraphics/kpdf/xpdf/Gfx.cc #1.4.4.1:1.4.4.2
@@ -2655,5 +2655,7 @@ void Gfx::doImage(Object *ref, Stream *s
dict->lookup("Mask", &maskObj);
if (maskObj.isArray()) {
- for (i = 0; i < maskObj.arrayGetLength(); ++i) {
+ for (i = 0;
+ i < maskObj.arrayGetLength() && i < 2*gfxColorMaxComps;
+ ++i) {
maskObj.arrayGet(i, &obj1);
maskColors[i] = obj1.getInt();
--- kdegraphics/kpdf/xpdf/GfxState.cc #1.3.4.1:1.3.4.2
@@ -709,4 +709,9 @@ GfxColorSpace *GfxICCBasedColorSpace::pa
nCompsA = obj2.getInt();
obj2.free();
+ if (nCompsA > gfxColorMaxComps) {
+ error(-1, "ICCBased color space with too many (%d > %d) components",
+ nCompsA, gfxColorMaxComps);
+ nCompsA = gfxColorMaxComps;
+ }
if (dict->lookup("Alternate", &obj2)->isNull() ||
!(altA = GfxColorSpace::parse(&obj2))) {
@@ -1055,5 +1060,5 @@ GfxColorSpace *GfxDeviceNColorSpace::par
nCompsA = obj1.arrayGetLength();
if (nCompsA > gfxColorMaxComps) {
- error(-1, "DeviceN color space with more than %d > %d components",
+ error(-1, "DeviceN color space with too many (%d > %d) components",
nCompsA, gfxColorMaxComps);
nCompsA = gfxColorMaxComps;
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