What’s Vulnerable › Vulnerabilities

CVE-2006-4520

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-04-30 · updated 2026-06-16

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.

Affected products

• Novell eDirectory: through 8.7.3.8; 8.8, 8.8.1

References

• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=518
• http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=3924657&sliceId=SAL_Public
• http://www.securityfocus.com/bid/23685
• http://www.securitytracker.com/id?1017972
• http://www.vupen.com/english/advisories/2007/1550
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33921
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=518
• http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=3924657&sliceId=SAL_Public
• http://www.securityfocus.com/bid/23685
• http://www.securitytracker.com/id?1017972
• http://www.vupen.com/english/advisories/2007/1550
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33921

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