CVE-2026-71267: Stack-based Buffer Overflow

microtar's mtarwritefileheader and mtarwritedirheader functions src/microtar.c copy a caller-supplied entry name into the 100-byte field of a stack-allocated mtarheadert via strcpyh.name, name, with no check that strlenname is less than 100 before the copy...

CVE-2026-55738: Stack-based Buffer Overflow

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...

CVE-2026-54417: Integer Overflow or Wraparound

An integer overflow in the mtarnext function in src/microtar.c in rxi microtar 0.1.0 allows a remote attacker to cause a denial of service uncontrolled CPU consumption / infinite loop via a crafted tar archive. mtarnext computes the offset to the next record as rounduph.size, 512 +...