CVE-2009-2855
UnknownEPSS 36.73%
Last modified
CVE-2009-2855 is a vulnerability of currently unknown severity. The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.. EPSS estimates a 36.73% chance of exploitation in the next 30 days.
Description
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | 2.7 |
References
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2704Vendor Advisory
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2704Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-2855?
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.
How severe is CVE-2009-2855?
Severity scoring for CVE-2009-2855 is pending analysis. The EPSS model estimates a 36.73% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2855?
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-2009-2855?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST