cvedb.io
CVE-2026-42484
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-05-01T14:16:22.800 · Last modified 2026-06-17T10:47:55.457

Summary

A heap-based buffer overflow in hex_to_binary in the PKZIP hash parser in hashcat v7.1.2 allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted PKZIP hash file. The issue affects modules 17200, 17210, 17220, 17225, and 17230. When data_type_enum<=1, attacker-controlled hex data from a user-supplied hash string is decoded into a fixed-size buffer without proper input-length validation.

Affected products

hashcat — hashcat

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.