PatchTheCVEhashcat vulnerabilities and fixes
Recent CVEs affecting hashcat, with upgrade or downgrade steps. 3 tracked.
hashcat has 3 tracked vulnerabilities, 3 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-05-01. Highest priority: CVE-2026-42484 (score 54/100).
- CVE-2026-42484 CRITICAL 9.8 DOWNGRADE A heap-based buffer overflow in hex_to_binary in the PKZIP hash parser in hashcat v7.1.2 allows an attacker to
- CVE-2026-42483 CRITICAL 9.8 DOWNGRADE A heap-based buffer overflow in the Kerberos hash parser in hashcat v7.1.2 allows an attacker to cause a denia
- CVE-2026-42482 CRITICAL 9.8 DOWNGRADE A stack-based buffer overflow in mangle_to_hex_lower() and mangle_to_hex_upper() in src/rp_cpu.c in hashcat v7
FAQ
How do I fix hashcat vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is hashcat being exploited right now?
None of the tracked hashcat CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which hashcat CVE should I patch first?
CVE-2026-42484 currently ranks highest (54/100): A heap-based buffer overflow in hex_to_binary in the PKZIP hash parser in hashcat v7.1.2 allows an attacker to.