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Code Issues Releases 1 Activity

[libzstd] Fix ZSTD_decompressBound() on bad skippable frames

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The function didn't verify that the skippable frame size is correct.
This commit is contained in:
Nick Terrell
2019-04-17 11:14:49 -07:00
parent b85f7d7790
commit 450feb0f95
2 changed files with 8 additions and 1 deletions
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4
lib/legacy/zstd_legacy.h
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@@ -238,6 +238,10 @@ MEM_STATIC ZSTD_frameSizeInfo ZSTD_findFrameSizeInfoLegacy(const void *src, size
frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR;
break;
}
if (frameSizeInfo.compressedSize > srcSize) {
frameSizeInfo.compressedSize = ERROR(srcSize_wrong);
frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR;
}
return frameSizeInfo;
}