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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…
High7.1EPSS 21.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 2 months later
· 2 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 21.7% · top 2.4% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (16)
- FEDORA-2012-14149 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2012:1252 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-1571-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2012:1234 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2551 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 51318 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDVSA-2012:153 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- FEDORA-2012-13910 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 55530 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2012-14076 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2013:0504 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:1254 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201301-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://kb.isc.org/article/AA-00779 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1027528 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-3955)Record last updated .