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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-2519-1 | isc-dhcp security update |
Debian DSA |
DSA-2519-2 | isc-dhcp regression |
Ubuntu USN |
USN-1309-1 | DHCP vulnerability |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T00:09:18.744Z
Reserved: 2011-11-22T00:00:00.000Z
Link: CVE-2011-4539
No data.
Status : Modified
Published: 2011-12-08T11:55:02.407
Modified: 2026-04-29T01:13:23.040
Link: CVE-2011-4539
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
Ubuntu USN