CVE-2009-0537

Name	CVE-2009-0537
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	buster	2.28-10+deb10u1	fixed
	buster (security)	2.28-10+deb10u2	fixed
	bullseye	2.31-13+deb11u5	fixed
	bookworm, sid	2.36-8	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
glibc	source	(unstable)	(not affected)

Notes

- glibc <not-affected> (Vulnerable code not present)
glibc checks the comlete path length being not longer than USHRT_MAX
and closes the directory path + free of structures in case , io/fts.c line 727