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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/47153Third Party Advisory
- http://secunia.com/advisories/47178Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
- http://www.debian.org/security/2012/dsa-2519Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:182Third Party Advisory
- http://www.securityfocus.com/bid/50971Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026393Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-1309-1Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71680Third Party Advisory, VDB Entry
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/47153Third Party Advisory
- http://secunia.com/advisories/47178Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
- http://www.debian.org/security/2012/dsa-2519Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:182Third Party Advisory
- http://www.securityfocus.com/bid/50971Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026393Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-1309-1Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71680Third Party Advisory, VDB Entry
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539Vendor Advisory
Timeline
- Published
- Dec 8, 2011
- Last modified
- Jun 16, 2026
- NVD status
- Modified