OSV-2020-466 Heap-buffer-overflow in LzmaDec_DecodeToDic

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17198 Crash type: Heap-buffer-overflow READ 1 Crash state: LzmaDecDecodeToDic LzmaDecDecodeToBuf htpgzipdecompressordecompress...

OSV-2020-355 Use-of-uninitialized-value in LzmaDec_TryDummy

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17189 Crash type: Use-of-uninitialized-value Crash state: LzmaDecTryDummy LzmaDecDecodeToDic LzmaDecDecodeToBuf...