From e6a0982f7cd9282052b6e3485a458d60629ffa0b Mon Sep 17 00:00:00 2001
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From: Kevin Backhouse <kevinbackhouse@github.com>
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Date: Fri, 23 Apr 2021 11:44:44 +0100
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Subject: [PATCH] Add bounds check in Jp2Image::doWriteMetadata().
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---
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src/jp2image.cpp | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/jp2image.cpp b/src/jp2image.cpp
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index 1694fed27..ca8c9ddbb 100644
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--- a/src/jp2image.cpp
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+++ b/src/jp2image.cpp
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@@ -908,6 +908,7 @@ static void boxes_check(size_t b,size_t m)
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case kJp2BoxTypeUuid:
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{
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+ enforce(boxBuf.size_ >= 24, Exiv2::kerCorruptedMetadata);
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if(memcmp(boxBuf.pData_ + 8, kJp2UuidExif, 16) == 0)
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{
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#ifdef EXIV2_DEBUG_MESSAGES
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