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Vulnerability record · CVE-2009-5153 · published 21 November 2018

CVE-2009-5153: Microfocus netware memory buffer overflow vulnerability

Microfocus · Netware

In Novell NetWare before 6.5 SP8, a stack buffer overflow in processing of CALLIT RPC calls in the NFS Portmapper daemon in PKERNEL.NLM allowed remote unauthenticated attackers to execute code, because a length field was incorrectly trusted.

9.8 CVSS 3.0 Critical EPSS 6.1% · top 6.8% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

In Novell NetWare before 6.5 SP8, a stack buffer overflow in processing of CALLIT RPC calls in the NFS Portmapper daemon in PKERNEL.NLM allowed remote unauthenticated attackers to execute code, because a length field was incorrectly trusted.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.suse.com/show_bug.cgi?id=515804 Permissions RequiredThird Party Advisory
https://download.novell.com/Download?buildid=1z3z-OsVCiE~ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-09-067/ Third Party AdvisoryVDB Entry
https://bugzilla.suse.com/show_bug.cgi?id=515804 Permissions RequiredThird Party Advisory
https://download.novell.com/Download?buildid=1z3z-OsVCiE~ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-09-067/ Third Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-5153), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.