Unrated severityNVD Advisory· Published Jun 27, 2006· Updated Apr 16, 2026
CVE-2006-3251
CVE-2006-3251
Description
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.
Affected products
21cpe:2.3:a:hashcash:hashcash:*:*:*:*:*:*:*:*+ 20 more
- cpe:2.3:a:hashcash:hashcash:*:*:*:*:*:*:*:*range: <=1.20
- cpe:2.3:a:hashcash:hashcash:1.00:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.01:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.02:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.03:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.04:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.05:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.06:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.07:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.08:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.09:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.10:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.11:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.12:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.13:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.14:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.15:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.16:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.17:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.18:*:*:*:*:*:*:*
- cpe:2.3:a:hashcash:hashcash:1.19:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- www.securityfocus.com/bid/18659nvdPatch
- secunia.com/advisories/20800nvdVendor Advisory
- secunia.com/advisories/20846nvdVendor Advisory
- secunia.com/advisories/21146nvdVendor Advisory
- www.vupen.com/english/advisories/2006/2551nvdVendor Advisory
- www.debian.org/security/2006/dsa-1114nvd
- www.gentoo.org/security/en/glsa/glsa-200606-25.xmlnvd
- www.hashcash.org/source/CHANGELOGnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/27422nvd
News mentions
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