CVE-2009-0023

N/A Unknown
Published: June 08, 2009 Modified: April 23, 2026
View on NVD

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.

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://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=129190899612998&w=2
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/34724
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35284
Source: secalert@redhat.com
Third Party Advisory Vendor Advisory
http://secunia.com/advisories/35360
Source: secalert@redhat.com
Third Party Advisory Vendor Advisory
http://secunia.com/advisories/35395
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35444
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35487
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35565
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35710
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35797
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/35843
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/37221
Source: secalert@redhat.com
Third Party Advisory
http://security.gentoo.org/glsa/glsa-200907-03.xml
Source: secalert@redhat.com
Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.538210
Source: secalert@redhat.com
Third Party Advisory
http://support.apple.com/kb/HT3937
Source: secalert@redhat.com
Third Party Advisory
http://svn.apache.org/viewvc?view=rev&revision=779880
Source: secalert@redhat.com
Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0144
Source: secalert@redhat.com
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341
Source: secalert@redhat.com
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241
Source: secalert@redhat.com
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478
Source: secalert@redhat.com
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg27014463
Source: secalert@redhat.com
Third Party Advisory
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3
Source: secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2009/dsa-1812
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:131
Source: secalert@redhat.com
Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
Source: secalert@redhat.com
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1107.html
Source: secalert@redhat.com
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1108.html
Source: secalert@redhat.com
Third Party Advisory
http://www.securityfocus.com/archive/1/507855/100/0/threaded
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/35221
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/usn-786-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/usn-787-1
Source: secalert@redhat.com
Third Party Advisory
http://www.vupen.com/english/advisories/2009/1907
Source: secalert@redhat.com
Third Party Advisory
http://www.vupen.com/english/advisories/2009/3184
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=503928
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/50964
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10968
Source: secalert@redhat.com
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12321
Source: secalert@redhat.com
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html
Source: secalert@redhat.com
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html
Source: secalert@redhat.com
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=129190899612998&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/34724
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35284
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory Vendor Advisory
http://secunia.com/advisories/35360
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory Vendor Advisory
http://secunia.com/advisories/35395
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35444
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35487
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35565
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35710
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35797
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/35843
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/37221
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://security.gentoo.org/glsa/glsa-200907-03.xml
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.538210
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://support.apple.com/kb/HT3937
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://svn.apache.org/viewvc?view=rev&revision=779880
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0144
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg27014463
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2009/dsa-1812
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:131
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1107.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1108.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/archive/1/507855/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/35221
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/usn-786-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/usn-787-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.vupen.com/english/advisories/2009/1907
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.vupen.com/english/advisories/2009/3184
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=503928
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/50964
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10968
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12321
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

112 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
14.8%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

apache

Related CVEs

CVE-2026-7041 3.7
CVE-2026-7039 7.8
CVE-2026-7038 3.3
CVE-2026-7037 9.8
CVE-2026-7036 7.3