CVE-2009-0939
UnknownEPSS 2.05%
Last modified
CVE-2009-0939 is a vulnerability of currently unknown severity. Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.
Description
Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.
Metrics
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Tor | Tor | <= 0.2.0.33 | — |
| Tor | Tor | 0.2.0.1 | Alpha |
| Tor | Tor | 0.2.0.2 | Alpha |
| Tor | Tor | 0.2.0.3 | Alpha |
| Tor | Tor | 0.2.0.4 | Alpha |
| Tor | Tor | 0.2.0.5 | Alpha |
| Tor | Tor | 0.2.0.6 | Alpha |
| Tor | Tor | 0.2.0.10 | Alpha |
| Tor | Tor | 0.2.0.11 | Alpha |
| Tor | Tor | 0.2.0.12 | Alpha |
| Tor | Tor | 0.2.0.13 | Alpha |
| Tor | Tor | 0.2.0.14 | Alpha |
| Tor | Tor | 0.2.0.15 | Alpha |
| Tor | Tor | 0.2.0.16 | Alpha |
| Tor | Tor | 0.2.0.17 | Alpha |
| Tor | Tor | 0.2.0.18 | Alpha |
| Tor | Tor | 0.2.0.19 | Alpha |
| Tor | Tor | 0.2.0.20 | Alpha |
| Tor | Tor | 0.2.0.21 | Alpha |
| Tor | Tor | 0.2.0.22 | Alpha |
| Tor | Tor | 0.2.0.23 | Alpha |
| Tor | Tor | 0.2.0.24 | Alpha |
| Tor | Tor | 0.2.0.25 | Alpha |
| Tor | Tor | 0.2.0.26 | Alpha |
| Tor | Tor | 0.2.0.27 | Alpha |
| Tor | Tor | 0.2.0.28 | Alpha |
| Tor | Tor | 0.2.0.29 | Alpha |
| Tor | Tor | 0.2.0.30 | Alpha |
| Tor | Tor | 0.2.0.31 | Alpha |
| Tor | Tor | 0.2.0.32 | Alpha |
References
- http://secunia.com/advisories/33880Vendor Advisory
- http://secunia.com/advisories/33880Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-0939?
Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.
How severe is CVE-2009-0939?
Severity scoring for CVE-2009-0939 is pending analysis. The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0939?
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-2009-0939?
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Scan your code nowSource: NVD / NIST