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TI-2005-00636 Aliases CVE-2005-0687GHSA-5w7r-v534-x375

Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of…

Priority LOW 38Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via format string specifiers in a reply address, which is not properly handled when printing the header.

Why it matters now

EPSS 0.02884 86th 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 · 3

CPEVersionsRoleVendor
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:1.14:*:*:*:*:*:*:* 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

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-0687
  2. 2026-10-03 Alias added: GHSA-5w7r-v534-x375

References

Patch 2

  • TI-2006-03637 PHP remote file inclusion vulnerability in server.php in the Hashcash Component… CVSS 2.0MEDIUM 6.8
  • TI-2006-03150 Heap-based buffer overflow in the array_push function in hashcash.c for Hashcash before… CVSS 2.0HIGH 7.5

Sources

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