Main Vulnerability Database Vulnerabilities #VU34824

Resource exhaustion in OpenBSD - CVE-2011-3336

Published: February 12, 2020 / Updated: June 28, 2025

Vulnerability identifier: #VU34824

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green

CVE-ID: CVE-2011-3336

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vendor: OpenBSD

Affected software:
OpenBSD

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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

Install update from vendor's website.