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CVE-2009-0537
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…
Medium4.9EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 3.6% · top 11% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 8163 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1021818 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20090304 libc:fts_*():multiple vendors, Denial-of-service (opens in a new tab)third-party-advisoryx_refsource_SREASONRESx_transferred
- http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h (opens in a new tab)x_refsource_CONFIRMx_transferred
- 34008 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20090305 libc:fts_*():multiple vendors, Denial-of-service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-0537)Record last updated .