CVE Catalog

CVE-2006-3251

High
Published: Translated: NVD NIST

Summary

Heap-based buffer overflow in the array_push function in hashcash.c for Hashcash before 1.21 might allow attackers to execute arbitrary code via crafted entries.

Risk Assessment

An attacker could remotely execute arbitrary code in the context of an application using the vulnerable Hashcash library, potentially leading to system compromise.

Recommendation

Update Hashcash to version 1.21 or later. If immediate update is not possible, consider restricting access to functions that process Hashcash entries.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in the array_push function in hashcash.c for Hashcash before 1.21 might allow attackers to execute arbitrary code via crafted entries.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS