OSV-2023-51 Heap-use-after-free in ZSTD_freeDDict

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55673 Crash type: Heap-use-after-free READ Crash state: ZSTDfreeDDict blosc2freectx blosc2schunkfree...

OSV-2021-652 Heap-use-after-free in ZSTD_freeDDict

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324 Crash type: Heap-use-after-free READ 4 Crash state: ZSTDfreeDDict blosc2freectx blosc2schunkfree...

OSV-2021-526 Heap-use-after-free in ZSTD_freeDDict

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076 Crash type: Heap-use-after-free READ Crash state: ZSTDfreeDDict blosc2freectx blosc2schunkfree...

OSV-2021-213 Heap-use-after-free in ZSTD_freeDDict

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29705 Crash type: Heap-use-after-free READ Crash state: ZSTDfreeDDict blosc2freectx blosc2schunkfree...