CVE-2011-3336
HIGHCVSS 7.5/10EPSS 6.49%
Last modified
CVE-2011-3336 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.. EPSS estimates a 6.49% chance of exploitation in the next 30 days.
Description
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 5.3.0, <= 5.3.10 |
| Apple | Mac Os X | >= 10.6.0, <= 10.7.2 |
| Freebsd | Freebsd | 8.2 |
| Openbsd | Openbsd | 5.0 |
References
- http://seclists.org/fulldisclosure/2014/Mar/166Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/50541Exploit, Third Party Advisory, VDB Entry
- https://cxsecurity.com/issue/WLB-2011110082Exploit, Third Party Advisory
- https://www.securityfocus.com/archive/1/520390Exploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2014/Mar/166Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/50541Exploit, Third Party Advisory, VDB Entry
- https://cxsecurity.com/issue/WLB-2011110082Exploit, Third Party Advisory
- https://www.securityfocus.com/archive/1/520390Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-3336?
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
How severe is CVE-2011-3336?
CVE-2011-3336 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.49% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3336?
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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