CVE-2026-111273 — unarr through 1.1.1 Off-by-One Heap Buffer Overflow via tar_get_name
unarr through 1.1.1 contains an off-by-one heap-based buffer overflow in tar_get_name() in tar/parse-tar.c, reachable through the ar_entry_get_name() API. Attackers can supply a…
Published: 2026-10-15 · CVSS: 6.9 · CVSS 4.0
unarr through 1.1.1 contains an off-by-one heap-based buffer overflow in tar_get_name() in tar/parse-tar.c, reachable through the ar_entry_get_name() API. Attackers can supply a crafted TAR archive with a full ustar prefix and name to write a NUL byte past the allocation, corrupting heap memory and crashing the process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7