OSV-2021-464 Heap-buffer-overflow in blosc_read_header

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31535 Crash type: Heap-buffer-overflow READ 16 Crash state: bloscreadheader blosc2cbuffersizes framegetlazychunk...

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-2021-369 Segv on unknown address in blosc_read_header

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30761 Crash type: Segv on unknown address Crash state: bloscreadheader blosc2getitemctx bloscgetitem...