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CVE-2006-4520
ncp in Novell eDirectory before 8.7.3 SP9, and 8.8.x before 8.8.1 FTF2, does not properly handle NCP fragments with a negative length,…
High7.8EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
ncp in Novell eDirectory before 8.7.3 SP9, and 8.8.x before 8.8.1 FTF2, does not properly handle NCP fragments with a negative length, which allows remote attackers to cause a denial of service (daemon crash) when the heap is written to a log file.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- ADV-2007-1550 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20070426 Novell eDirectory NCP Fragment Denial of Service Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=3924657&sliceId=SAL_Public (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1017972 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 23685 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- novell-edirectory-ncp-dos(33921) (opens in a new tab)vdb-entryx_refsource_XFx_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://trackcve.app/cve/CVE-2006-4520)Record last updated .