CVE-2011-4539

MEDIUM · CVSS 5 EPSS 15.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-12-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2011-4539

Severity

MEDIUM

CVSS

EPSS

15.22%

Original NVD Description

dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.