Unrated severityNVD Advisory· Published Jun 8, 2009· Updated Jun 16, 2026
CVE-2009-0023
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
26cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*+ 21 more
- cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*range: <=1.3.4
- cpe:2.3:a:apache:apr-util:0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:0.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:0.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:0.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:0.9.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:apr-util:1.3.3:*:*:*:*:*:*:*
- (no CPE)range: <1.3.5
- osv-coords2 versionspkg:rpm/opensuse/apache2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/apr-util&distro=openSUSE%20Tumbleweed
< 2.4.23-4.1+ 1 more
- (no CPE)range: < 2.4.23-4.1
- (no CPE)range: < 1.5.4-4.4
Patches
Vulnerability mechanics
References
56- www.debian.org/security/2009/dsa-1812nvdPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlnvdMailing ListThird Party Advisory
- marc.infonvdThird Party Advisory
- secunia.com/advisories/34724nvdThird Party Advisory
- secunia.com/advisories/35284nvdThird Party AdvisoryVendor Advisory
- secunia.com/advisories/35360nvdThird Party AdvisoryVendor Advisory
- secunia.com/advisories/35395nvdThird Party Advisory
- secunia.com/advisories/35444nvdThird Party Advisory
- secunia.com/advisories/35487nvdThird Party Advisory
- secunia.com/advisories/35565nvdThird Party Advisory
- secunia.com/advisories/35710nvdThird Party Advisory
- secunia.com/advisories/35797nvdThird Party Advisory
- secunia.com/advisories/35843nvdThird Party Advisory
- secunia.com/advisories/37221nvdThird Party Advisory
- security.gentoo.org/glsa/glsa-200907-03.xmlnvdThird Party Advisory
- slackware.com/security/viewer.phpnvdThird Party Advisory
- support.apple.com/kb/HT3937nvdThird Party Advisory
- svn.apache.org/viewvcnvdThird Party Advisory
- wiki.rpath.com/Advisories:rPSA-2009-0144nvdThird Party Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3nvdThird Party Advisory
- www.mandriva.com/security/advisoriesnvdThird Party Advisory
- www.mandriva.com/security/advisoriesnvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlnvdThird Party Advisory
- www.redhat.com/support/errata/RHSA-2009-1107.htmlnvdThird Party Advisory
- www.redhat.com/support/errata/RHSA-2009-1108.htmlnvdThird Party Advisory
- www.securityfocus.com/archive/1/507855/100/0/threadednvdThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/35221nvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/usn-786-1nvdThird Party Advisory
- www.ubuntu.com/usn/usn-787-1nvdThird Party Advisory
- www.vupen.com/english/advisories/2009/1907nvdThird Party Advisory
- www.vupen.com/english/advisories/2009/3184nvdThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/50964nvdThird Party AdvisoryVDB Entry
- lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3EnvdThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10968nvdThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12321nvdThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.htmlnvdThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.htmlnvdThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.htmlnvdThird Party Advisory
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