CVE-2009-0023

Name	CVE-2009-0023
Description	The apr_strmatch_precompile function in strmatch/apr_strmatch.c in Apache APR-util before 1.3.5 allows remote attackers to cause a denial of service (daemon crash) via crafted input involving (1) a .htaccess file used with the Apache HTTP Server, (2) the SVNMasterURI directive in the mod_dav_svn module in the Apache HTTP Server, (3) the mod_apreq2 module for the Apache HTTP Server, or (4) an application that uses the libapreq2 library, which triggers a heap-based buffer underflow.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1812-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apr-util (PTS)	buster	1.6.1-4	fixed
	buster (security)	1.6.1-4+deb10u1	fixed
	bullseye (security), bullseye	1.6.1-5+deb11u1	fixed
	trixie, bookworm	1.6.3-1	fixed
	sid	1.6.3-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apr-util	source	etch	1.2.7+dfsg-2+etch2		DSA-1812-1
apr-util	source	lenny	1.2.12+dfsg-8+lenny2		DSA-1812-1
apr-util	source	(unstable)	1.3.7+dfsg-1