CVE-2006-5854
HighPublic exploitMultiple buffer overflows in the Spooler service (nwspool.dll) in Novell Netware Client 4.91 through 4.91 SP2 allow remote attackers to execute arbitrary code via a long argument to the (1) EnumPrinters and (2) OpenPrinter functions.
Published Dec 3, 2006 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2006-5854 is a high-severity vulnerability (CVSS 7.5 v2) affecting Netware Client (Novell).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 58% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
58%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-5854 brief as a PDF
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Description
Multiple buffer overflows in the Spooler service (nwspool.dll) in Novell Netware Client 4.91 through 4.91 SP2 allow remote attackers to execute arbitrary code via a long argument to the (1) EnumPrinters and (2) OpenPrinter functions.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Netware ClientNovell | 4.91, 4.91-sp1, 4.91-sp2 | n/a |
Timeline
Publicly disclosed
Dec 3, 2006
Last updated
Apr 22, 2026
References
- patchhttp://www.novell.com/support/search.do?cmd=displayKC&externalId=3125538&sliceId=SAL_Public
- patchhttp://www.zerodayinitiative.com/advisories/ZDI-06-043.html
- exploitExploitDB-29146
- exploitExploitDB-3220
- other23027
FAQ
Common Questions.
Multiple buffer overflows in the Spooler service (nwspool.dll) in Novell Netware Client 4.91 through 4.91 SP2 allow remote attackers to execute arbitrary code via a long argument to the (1) EnumPrinters and (2) OpenPrinter functions.
Affected: Netware Client (Novell) versions 4.91, 4.91-sp1, 4.91-sp2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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