What’s Vulnerable › Vulnerabilities

CVE-2011-3336

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-12 · updated 2026-06-16
• Weakness: CWE-400

Description

regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.

Affected products

• macOS: from 10.6.0 through 10.7.2
• FreeBSD: 8.2
• OpenBSD: 5.0
• PHP: from 5.3.0 through 5.3.10

References

• http://seclists.org/fulldisclosure/2014/Mar/166
• http://www.securityfocus.com/bid/50541
• https://cxsecurity.com/issue/WLB-2011110082
• https://www.securityfocus.com/archive/1/520390
• http://seclists.org/fulldisclosure/2014/Mar/166
• http://www.securityfocus.com/bid/50541
• https://cxsecurity.com/issue/WLB-2011110082
• https://www.securityfocus.com/archive/1/520390

Get alerted when CVE-2011-3336 or the next vulnerability affects your stack