CVE-2011-4539
N/A
Published: December 8, 2011 at 11:00 AM UTC
Updated: June 16, 2026 at 11:35 PM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxDHCP
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Severity
N/A
Exploit prediction
EPSS 15%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://www.debian.org/security/2012/dsa-2519
References (13)
Vendor Advisoryx_refsource_FEDORAMailing ListThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.htmlVendor Advisoryx_refsource_FEDORAMailing ListThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.htmlVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
http://security.gentoo.org/glsa/glsa-201301-06.xmlVendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2012/dsa-2519Vendor Advisoryx_refsource_MANDRIVAThird Party Advisory
Source: [email protected]
http://www.mandriva.com/security/advisories?name=MDVSA-2011:182Quick Info
StatusMODIFIED
CWE
CWE-20
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