CVE-2026-111273
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductSelmf Unarr
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-193CWE-193
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| selmf unarr | v ≤ 1.1.1 | — |
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