27 lines
945 B
Diff
27 lines
945 B
Diff
From 64ed1789afb3286cdb638bf34676f7d770032a84 Mon Sep 17 00:00:00 2001
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From: wang_yue111 <648774160@qq.com>
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Date: Tue, 6 Apr 2021 10:24:35 +0800
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Subject: [PATCH] double-check unpackedBuffer created in DWA uncompress
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Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>
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---
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IlmImf/ImfDwaCompressor.cpp | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/IlmImf/ImfDwaCompressor.cpp b/IlmImf/ImfDwaCompressor.cpp
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index 2ef8878..c6518bb 100644
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--- a/IlmImf/ImfDwaCompressor.cpp
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+++ b/IlmImf/ImfDwaCompressor.cpp
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@@ -2524,7 +2524,7 @@ DwaCompressor::uncompress
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if (acCompressedSize > 0)
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{
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- if (totalAcUncompressedCount*sizeof(unsigned short) > _packedAcBufferSize)
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+ if ( !_packedAcBuffer || totalAcUncompressedCount*sizeof(unsigned short) > _packedAcBufferSize)
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{
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throw Iex::InputExc("Error uncompressing DWA data"
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"(corrupt header).");
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--
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2.23.0
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