CVE-2006-4520 json
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, whic…
published 2007-04-30 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4508
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.93% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
novell.com
/support/search.do?cmd=displayKC&docType=kc&externalId=3924657&sliceId=SAL_Public
patch
-
labs.idefense.com
/intelligence/vulnerabilities/display.php?id=518
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2007/1550
vdb-entry
-
securitytracker.com
/id?1017972
vdb-entry
-
securityfocus.com
/bid/23685
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/33921
vdb-entry
Sources
- CVE List CVE-2006-4520
- NVD CVE-2006-4520
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.