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CVE-2009-0537

MEDIUM · CVSS 4.9EPSS 3.6%EU EUVD

Integer overflow in the fts_build function in fts.c in libc in (1) OpenBSD 4.4 and earlier and (2) Microsoft Interix 6.0 build 10.0.6030.0 allows context-dependent attackers to cause a denial of service (application crash) via a deep directory tree, related to the fts_level structure member, as demonstrated by (a) du, (b) rm, (c) chmod, and (d) chgrp on OpenBSD; and (e) SearchIndexer.exe on Vista Enterprise.

Key facts

CVSS score
4.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-189
EPSS score
3.6% (89th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0541)
Published
March 9, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0541 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / interix
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd
  • openbsd / openbsd

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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