CVE-2006-3251
UnknownEPSS 3.59%
Last modified
CVE-2006-3251 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.59% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hashcash | Hashcash | <= 1.20 |
| Hashcash | Hashcash | 1.00 |
| Hashcash | Hashcash | 1.01 |
| Hashcash | Hashcash | 1.02 |
| Hashcash | Hashcash | 1.03 |
| Hashcash | Hashcash | 1.04 |
| Hashcash | Hashcash | 1.05 |
| Hashcash | Hashcash | 1.06 |
| Hashcash | Hashcash | 1.07 |
| Hashcash | Hashcash | 1.08 |
| Hashcash | Hashcash | 1.09 |
| Hashcash | Hashcash | 1.10 |
| Hashcash | Hashcash | 1.11 |
| Hashcash | Hashcash | 1.12 |
| Hashcash | Hashcash | 1.13 |
| Hashcash | Hashcash | 1.14 |
| Hashcash | Hashcash | 1.15 |
| Hashcash | Hashcash | 1.16 |
| Hashcash | Hashcash | 1.17 |
| Hashcash | Hashcash | 1.18 |
| Hashcash | Hashcash | 1.19 |
References
- http://secunia.com/advisories/20800Vendor Advisory
- http://secunia.com/advisories/20846Vendor Advisory
- http://secunia.com/advisories/21146Vendor Advisory
- http://www.vupen.com/english/advisories/2006/2551Vendor Advisory
- http://secunia.com/advisories/20800Vendor Advisory
- http://secunia.com/advisories/20846Vendor Advisory
- http://secunia.com/advisories/21146Vendor Advisory
- http://www.vupen.com/english/advisories/2006/2551Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2006-3251?
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.
How severe is CVE-2006-3251?
Severity scoring for CVE-2006-3251 is pending analysis. The EPSS model estimates a 3.59% probability of exploitation in the next 30 days.
How do I fix CVE-2006-3251?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2006-3251?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST