CVE-2012-3955
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 21.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-09-14 10:00Z14 YR AGO
- Last updated
- 2024-08-06 20:21Z2 YR AGO
- Reserved
- 2012-07-11
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- a7715f95c4a1a591702e7f2aa73da70afb4e67edc5d85a4a6fc6c1620477ee38
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2012-14149http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html
- lists.opensuse.orgopenSUSE-SU-2012:1252http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.html
- www.ubuntu.comUSN-1571-1http://www.ubuntu.com/usn/USN-1571-1
- lists.opensuse.orgopenSUSE-SU-2012:1234http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.html
- www.debian.orgDSA-2551http://www.debian.org/security/2012/dsa-2551
- secunia.com51318http://secunia.com/advisories/51318
- www.mandriva.comMDVSA-2012:153http://www.mandriva.com/security/advisories?name=MDVSA-2012:153
- lists.fedoraproject.orgFEDORA-2012-13910http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html
- www.securityfocus.com55530http://www.securityfocus.com/bid/55530
- lists.fedoraproject.orgFEDORA-2012-14076http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html
- rhn.redhat.comRHSA-2013:0504http://rhn.redhat.com/errata/RHSA-2013-0504.html
- blogs.oracle.comhttps://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of
- lists.opensuse.orgopenSUSE-SU-2012:1254http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.html
- security.gentoo.orgGLSA-201301-06http://security.gentoo.org/glsa/glsa-201301-06.xml
- kb.isc.orghttps://kb.isc.org/article/AA-00779
- www.securitytracker.com1027528http://www.securitytracker.com/id?1027528
07 Fixed in
Debian 12
- isc-dhcp Fixed in 4.2.4-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- isc-dhcp Fixed in 4.2.4-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.