bzip2 is a portable, lossless data compressor based on the Burrows-Wheeler transform. It achieves good compression and runs on practically every (32/64-bit) platform in the known universe. The compression engine is also available as a library (libbz2), should you desire a programmatic interface.
Release Notes: This release fixes a potential integer overflow vulnerability, reported as CVE-2010-0405.
Release Notes: This release removes a potential security vulnerability which caused bzip2 to fail one of the test cases provided and reported in CERT-FI 20469. Upgrading is strongly recommended.
Release Notes: A race problem with file permissions, as reported in CAN-2005-0953, has been fixed. Problems with file name sanitizing in bzgrep, as reported for zgrep (from gzip package) in CAN-2005-0758, have been fixed. A potential segfault in BZ2_bzclose() has been eliminated. Minor code and build system cleanups have been made.
Release Notes: This release enhances the robustness against corrupted compressed data. Upgrading is recommended. Documentation bugs have been fixed. Building on 64-bit platforms and with gcc4 was improved.
Release Notes: This release fixes file handling and documentation bugs.