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Vulnerability record · CVE-2012-3955 · published 14 September 2012

CVE-2012-3955: Isc dhcp vulnerability

Isc · Dhcp

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.

7.1 CVSS 2.0 High EPSS 22% · top 2.4%
7.1CVSS 2.0 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
32References
16 Jun 2026Last modified by NVD

Description

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0504.html Third Party Advisory
http://secunia.com/advisories/51318 Third Party Advisory
http://security.gentoo.org/glsa/glsa-201301-06.xml Third Party Advisory
http://www.debian.org/security/2012/dsa-2551 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:153 Third Party Advisory
http://www.securityfocus.com/bid/55530 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1027528 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1571-1 Third Party Advisory
https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of Third Party Advisory
https://kb.isc.org/article/AA-00779 Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0504.html Third Party Advisory
http://secunia.com/advisories/51318 Third Party Advisory
http://security.gentoo.org/glsa/glsa-201301-06.xml Third Party Advisory
http://www.debian.org/security/2012/dsa-2551 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:153 Third Party Advisory
http://www.securityfocus.com/bid/55530 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1027528 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1571-1 Third Party Advisory
https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of Third Party Advisory
https://kb.isc.org/article/AA-00779 Vendor Advisory

Track CVE-2012-3955 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2012-3955), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.