CVE-2026-55738 Stack Buffer Overflow in rxi/microtar raw_to_header() via non-null-terminated TAR name field

A stack-based buffer overflow exists in the rawtoheader function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy without guaranteeing null termination of the source. The POSIX ustar format permits these fixed-width...

CVE-2026-43623

CVE-2026-43623 affects microtar up to version 0.1.0. A stack-based buffer overflow in the raw_to_header() function (src/microtar.c) can be triggered by crafted TAR archives with non-null-terminated name or linkname fields. The function uses strcpy() to copy 100-byte ustar fields, which can write ...