From 96adea4dfe488adaa1e4f06e2de09c4da8d8cb84 Mon Sep 17 00:00:00 2001 From: Cristy Date: Wed, 7 Feb 2018 17:27:01 -0500 Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6074 --- coders/dcm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/coders/dcm.c b/coders/dcm.c index 8885e1dd2..eff8818a9 100644 --- a/coders/dcm.c +++ b/coders/dcm.c @@ -3889,9 +3889,12 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception) length=(size_t) (GetQuantumRange(info.depth)+1); if (length > GetBlobSize(image)) ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile"); - info.scale=(Quantum *) AcquireQuantumMemory(length,sizeof(*info.scale)); + info.scale=(Quantum *) AcquireQuantumMemory(MagickMax(length,256), + sizeof(*info.scale)); if (info.scale == (Quantum *) NULL) ThrowDCMException(ResourceLimitError,"MemoryAllocationFailed"); + (void) ResetMagickMemory(info.scale,0,MagickMax(length,256)* + sizeof(*info.scale)); range=GetQuantumRange(info.depth); for (i=0; i <= (ssize_t) GetQuantumRange(info.depth); i++) info.scale[i]=ScaleAnyToQuantum((size_t) i,range); -- 2.40.0