rxi microtar

• CVE-2026-71267 Critical 9.8 microtar Stack Buffer Overflow in mtar_write_file_header() and mtar_write_dir_header() 0.6%
• CVE-2026-55738 High 8.8 Stack Buffer Overflow in rxi/microtar raw_to_header() via non-null-terminated TAR name field 0.4%
• CVE-2026-54417 High 7.5 Integer Overflow in rxi/microtar mtar_next() Causes Infinite Loop DoS 0.4%
• CVE-2026-43623 High 8.8 microtar 0.1.0 Stack-Based Buffer Overflow via raw_to_header() 0.5%