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32322450 Security Vulnerability - heap buffer overflow in libgiftranscode.so

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am: bcc1f62715

Change-Id: Ia790b66a2d7d26b53463ebb2ebae524a7b4155fc
This commit is contained in:
Tom Taylor
2016-12-05 22:53:45 +00:00
committed by android-build-merger
parent 1bc276100f bcc1f62715
commit 5311a02e27
1 changed files with 5 additions and 0 deletions
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5
jni/GifTranscoder.cpp
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@@ -274,6 +274,11 @@ bool GifTranscoder::resizeBoxFilter(GifFileType* gifIn, GifFileType* gifOut) {
// matches what libframesequence (Rastermill) does.
if (imageIndex == 0 && gifIn->SColorMap) {
if (gcb.TransparentColor == NO_TRANSPARENT_COLOR) {
if (gifIn->SBackGroundColor < 0 ||
gifIn->SBackGroundColor >= gifIn->SColorMap->ColorCount) {
LOGE("SBackGroundColor overflow");
return false;
}
GifColorType bgColorIndex =
gifIn->SColorMap->Colors[gifIn->SBackGroundColor];
bgColor = gifColorToColorARGB(bgColorIndex);