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CVE-2026-42484 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: May 1, 2026

hashcat - Buffer Overflow

Published: May 1, 2026Updated: May 1, 2026PoC AvailableRemote Exploitable

Overview

hashcat v7.1.2 contains a heap-based buffer overflow caused by improper input-length validation in hex_to_binary function of PKZIP hash parser, letting attackers cause denial of service or execute arbitrary code via crafted PKZIP hash file, exploit requires crafted hash input.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can cause denial of service or execute arbitrary code, potentially compromising the system.

Mitigation

Update to the latest version of hashcat.

References

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

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-42484
Severity: Critical
CVSS Score: 9.8
Type: buffer_overflow
Status: modified

CWE

CWE-787

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H