What's new
Security (SEC)
- Detect multi-hop cyclic /Pages trees in _flatten to prevent SIGSEGV (#3847) by @fredericoschardong
Robustness (ROB)
- Fix UnboundLocalError in _read_standard_xref_table on a malformed entry (#3841) by @joszamama
- Raise PdfStreamError on non-hexadecimal bytes in hex readers (#3832) by @metsw24-max