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.
Published: 2011-12-08
Score: 5.0 Medium
EPSS: 32.3% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2519-1 isc-dhcp security update
Debian DSA Debian DSA DSA-2519-2 isc-dhcp regression
Ubuntu USN Ubuntu USN USN-1309-1 DHCP vulnerability
History

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Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Isc Dhcp
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T00:09:18.744Z

Reserved: 2011-11-22T00:00:00.000Z

Link: CVE-2011-4539

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-12-08T11:55:02.407

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-4539

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-12-07T00:00:00Z

Links: CVE-2011-4539 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses