OSV-2023-1126 Heap-buffer-overflow in iasecc_parse_acls

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63949 Crash type: Heap-buffer-overflow READ 1 Crash state: iaseccparseacls iaseccparsedocp iaseccsdoparsedata...