CVE-2026-111273EPSS p3.2%
CVE-2026-111273CVE-2026-111273
Description
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.
Scoring
| CVSS | 6.1 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H |
| EPSS | 0.14% probability of exploitation · percentile 3.2% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |