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Fencer Vulns
critical 9.3

CVE-2009-1639 json

Stack-based buffer overflow in Nucleus Data Recovery Kernel Recovery for Novell 4.03 allows user-assisted attackers to execute arbitrary co…

published 2009-05-15 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1634

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Stack-based buffer overflow in Nucleus Data Recovery Kernel Recovery for Novell 4.03 allows user-assisted attackers to execute arbitrary code via a crafted .NKNT file.

Exploit prediction

2.83% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • insight-tech.org http://www.insight-tech.org/index.php?p=Kernel-recovery-for-Novell-Traditional-volumes-v-4-03-Code-Execution-and-DoS referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

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.