CVE-2009-0537

N/A Unknown
Published: March 09, 2009 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://securityreason.com/achievement_securityalert/60
Source: cve@mitre.org
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c
Source: cve@mitre.org
Vendor Advisory
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/501505/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/34008
Source: cve@mitre.org
Exploit
http://www.securitytracker.com/id?1021818
Source: cve@mitre.org
https://www.exploit-db.com/exploits/8163
Source: cve@mitre.org
http://securityreason.com/achievement_securityalert/60
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/501505/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/34008
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://www.securitytracker.com/id?1021818
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.exploit-db.com/exploits/8163
Source: af854a3a-2127-422b-91ae-364da2661108

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
7.1%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

openbsd microsoft

Related CVEs

CVE-2026-6977 7.3
CVE-2026-31685 N/A
CVE-2026-31684 N/A
CVE-2026-31683 N/A
CVE-2026-31682 N/A