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CVE-2026-42484

critical

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 ar…

Vendor / product: Hashcat — hashcat

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

CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-05-01 14:16
Modified: 2026-11-11 21:10
NVD status: Modified
Last synced 5 hours ago
Verified against the source API 2026-11-11 21:11 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

hashcat / hashcat 7.1.2

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://gist.github.com/sgInnora/107f2eb20367e47d58c911e38d56a91f
Patch / mitigation: https://gist.github.com/sgInnora/107f2eb20367e47d58c911e38d56a91f

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-11 21:11 UTC · record ↗

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