Issues

• gzip_ng_threaded writer raises OverflowError at compression level 1 for random bytes from 144 to 255

  pycompression/python-zlib-ng#83 · Filter by author ptweezy opened on Oct 20, 2026

• gzip_ng_threaded writer blocks forever when a write to the underlying file fails

  pycompression/python-zlib-ng#82 · Filter by author ptweezy opened on Oct 18, 2026
  1

• Decompress/compress output buffer growth via _PyBytes_Resize causes avoidable copies and heap-layout-dependent performance

  pycompression/python-zlib-ng#81 · Filter by author Dreamsorcerer opened on Sep 7, 2026

• PyPy wheels are not built for v1.0.0

  pycompression/python-zlib-ng#78 · Filter by author msto opened on May 20, 2026

• Reading gzip headers can lead to OOM for adversarial inputs

  pycompression/python-zlib-ng#77 · Filter by author rhpvorderman opened on May 19, 2026
  1

• broken pipe tracebacks

  pycompression/python-zlib-ng#71 · Filter by author jeremymcrae opened on Sep 17, 2025
  1