OSV-2022-149 Heap-buffer-overflow in read_xref_stream_entries

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44610 Crash type: Heap-buffer-overflow WRITE 8 Crash state: readxrefstreamentries pdfiprocessxrefstream pdfireadxrefstreamdict...

OSV-2021-1764 UNKNOWN READ in read_xref_stream_entries

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42927 Crash type: UNKNOWN READ Crash state: readxrefstreamentries pdfiprocessxrefstream pdfireadxrefstreamdict...