OSV-2021-404 Segv on unknown address in blosc_read_header

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30974 Crash type: Segv on unknown address Crash state: bloscreadheader blosc2getitemctx bloscgetitem...

OSV-2021-247 Heap-buffer-overflow in blosc_getitem

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29976 Crash type: Heap-buffer-overflow READ 1 Crash state: bloscgetitem getcoffset framegetlazychunk...

OSV-2021-207 Heap-buffer-overflow in blosc_getitem

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29613 Crash type: Heap-buffer-overflow READ 1 Crash state: bloscgetitem getcoffset framegetlazychunk...

OSV-2021-23 UNKNOWN READ in blosc_getitem

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29287 Crash type: UNKNOWN READ Crash state: bloscgetitem getcoffset framegetlazychunk...