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TI-2006-03150 Aliases CVE-2006-3251GHSA-f7fm-rw62-26cq

Heap-based buffer overflow in the array_push function in hashcash.c for Hashcash before…

Priority LOW 39CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

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.

Why it matters now

EPSS 0.03654 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:a:hashcash:hashcash:*:*:*:*:*:*:*:*up to 1.20VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.00:*:*:*:*:*:*:*1.00VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.01:*:*:*:*:*:*:*1.01VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.02:*:*:*:*:*:*:*1.02VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.03:*:*:*:*:*:*:*1.03VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.04:*:*:*:*:*:*:*1.04VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.05:*:*:*:*:*:*:*1.05VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.06:*:*:*:*:*:*:*1.06VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.07:*:*:*:*:*:*:*1.07VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.08:*:*:*:*:*:*:*1.08VulnerableHashcash
  • cpe:2.3:a:hashcash:hashcash:*:*:*:*:*:*:*:* Versions up to 1.20 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.00:*:*:*:*:*:*:* Versions 1.00 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.01:*:*:*:*:*:*:* Versions 1.01 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.02:*:*:*:*:*:*:* Versions 1.02 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.03:*:*:*:*:*:*:* Versions 1.03 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.04:*:*:*:*:*:*:* Versions 1.04 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.05:*:*:*:*:*:*:* Versions 1.05 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.06:*:*:*:*:*:*:* Versions 1.06 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.07:*:*:*:*:*:*:* Versions 1.07 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.08:*:*:*:*:*:*:* Versions 1.08 Vulnerable ·Hashcash
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:hashcash:hashcash:1.09:*:*:*:*:*:*:*1.09VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.10:*:*:*:*:*:*:*1.10VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.11:*:*:*:*:*:*:*1.11VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.12:*:*:*:*:*:*:*1.12VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.13:*:*:*:*:*:*:*1.13VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.14:*:*:*:*:*:*:*1.14VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.15:*:*:*:*:*:*:*1.15VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.16:*:*:*:*:*:*:*1.16VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.17:*:*:*:*:*:*:*1.17VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.18:*:*:*:*:*:*:*1.18VulnerableHashcash
cpe:2.3:a:hashcash:hashcash:1.19:*:*:*:*:*:*:*1.19VulnerableHashcash
  • cpe:2.3:a:hashcash:hashcash:1.09:*:*:*:*:*:*:* Versions 1.09 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.10:*:*:*:*:*:*:* Versions 1.10 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.11:*:*:*:*:*:*:* Versions 1.11 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.12:*:*:*:*:*:*:* Versions 1.12 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.13:*:*:*:*:*:*:* Versions 1.13 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.14:*:*:*:*:*:*:* Versions 1.14 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.15:*:*:*:*:*:*:* Versions 1.15 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.16:*:*:*:*:*:*:* Versions 1.16 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.17:*:*:*:*:*:*:* Versions 1.17 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.18:*:*:*:*:*:*:* Versions 1.18 Vulnerable ·Hashcash
  • cpe:2.3:a:hashcash:hashcash:1.19:*:*:*:*:*:*:* Versions 1.19 Vulnerable ·Hashcash

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-3251
  2. 2026-10-03 Alias added: GHSA-f7fm-rw62-26cq

References

Advisory 3

Other 1

  • TI-2006-03637 PHP remote file inclusion vulnerability in server.php in the Hashcash Component… CVSS 2.0MEDIUM 6.8
  • TI-2005-00636 Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of… CVSS 2.0HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences