CVE-2026-42482: Buffer Overflow
A stack-based buffer overflow in mangletohexlower() and mangletohexupper() in src/rpcpu.c in hashcat v7.1.2 allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted rule file, or via the -j or -k rule options used with password candidates of 128 or more characters. The vulnerability is caused by a bounds check that fails to account for the 2x expansion that occurs when password bytes are converted to hexadecimal.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-42482?
CVE-2026-42482 is considered a high severity vulnerability due to its potential to cause denial of service and execute arbitrary code.
How do I fix CVE-2026-42482?
To fix CVE-2026-42482, update Hashcat to version 7.1.3 or later, which addresses this vulnerability.
What software is affected by CVE-2026-42482?
CVE-2026-42482 affects Hashcat version 7.1.2.
What type of vulnerability is CVE-2026-42482?
CVE-2026-42482 is a stack-based buffer overflow vulnerability.
What can an attacker achieve using CVE-2026-42482?
An attacker can cause a denial of service or possibly execute arbitrary code by exploiting CVE-2026-42482.