CVE-2009-0023: apache apr-util

Modified

AliasesDEBIAN-CVE-2009-0023

Published 06-06-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-0023 is a medium (CVSS 4.3) vulnerability in apache apr-util. EPSS estimates a 8.53% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

4.3/10

010

Medium · v2.0 (NVD)

EPSS score

8.53%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 3

DSA-1812-1 OPENSUSE-SU-2024:10268-1 OPENSUSE-SU-2024:10568-1 OPENSUSE-SU-2024:11586-1 RHSA-2009:1107 RHSA-2009:1108+2 more

Timeline

06-06-2009
PublishedVulnerability first disclosed.
07-08-2024
Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

v2.04.3

EPSS trend

Probability

8.53%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 8.53% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Apache2 products

apr-util≤ 1.3.4 | 0.9.1 | 0.9.2 | 0.9.3 | 0.9.4 | 0.9.5 | 1.0 | 1.0.1 | 1.0.2 | 1.1.0 | 1.1.1 | 1.1.2 | 1.2.1 | 1.2.2 | 1.2.6 | 1.2.7 | 1.2.8 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3
http_server≥ 2.2.0, < 2.2.12

Debian1 product

apr-util< 1.3.7+dfsg-1

2 vendors · 3 products

References

57 links

secunia.com/advisories/35487Third Party AdvisoryX Refsource SECUNIA
www.debian.org/security/2009/dsa-1812Vendor AdvisoryX Refsource DEBIANPatchThird Party Advisory
www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3X Refsource CONFIRMThird Party Advisory
www.vupen.com/english/advisories/2009/1907VDB EntryX Refsource VUPENThird Party Advisory
www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
secunia.com/advisories/35444Third Party AdvisoryX Refsource SECUNIA
www-01.ibm.com/support/docview.wss?uid=swg1PK88341Vendor AdvisoryX Refsource AIXAPARThird Party Advisory
www.mandriva.com/security/advisories?name=MDVSA-2009:131Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
secunia.com/advisories/35360Third Party AdvisoryX Refsource SECUNIAVendor Advisory
bugzilla.redhat.com/show_bug.cgi?id=503928X Refsource CONFIRMIssue TrackingPatchThird Party Advisory

Show all 57 references

secunia.com/advisories/35395Third Party AdvisoryX Refsource SECUNIA
www-01.ibm.com/support/docview.wss?uid=swg1PK99478Vendor AdvisoryX Refsource AIXAPARThird Party Advisory
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12321VDB EntrySignatureX Refsource OVALThird Party Advisory
exchange.xforce.ibmcloud.com/vulnerabilities/50964VDB EntryX Refsource XFThird Party Advisory
secunia.com/advisories/35284Third Party AdvisoryX Refsource SECUNIAVendor Advisory
www-01.ibm.com/support/docview.wss?uid=swg1PK91241Vendor AdvisoryX Refsource AIXAPARThird Party Advisory
www.securityfocus.com/archive/1/507855/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
www.securityfocus.com/bid/35221VDB EntryX Refsource BIDThird Party Advisory
secunia.com/advisories/35843Third Party AdvisoryX Refsource SECUNIA
www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
www.redhat.com/support/errata/RHSA-2009-1108.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
marc.info?l=bugtraq&m=129190899612998&w=2Vendor AdvisoryX Refsource HPThird Party Advisory
wiki.rpath.com/Advisories:rPSA-2009-0144X Refsource CONFIRMThird Party Advisory
secunia.com/advisories/35797Third Party AdvisoryX Refsource SECUNIA
www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlX Refsource CONFIRMThird Party Advisory
security.gentoo.org/glsa/glsa-200907-03.xmlVendor AdvisoryX Refsource GENTOOThird Party Advisory
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10968VDB EntrySignatureX Refsource OVALThird Party Advisory
www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
www.ubuntu.com/usn/usn-786-1Vendor AdvisoryX Refsource UBUNTUThird Party Advisory
secunia.com/advisories/34724Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/37221Third Party AdvisoryX Refsource SECUNIA
svn.apache.org/viewvc?view=rev&revision=779880X Refsource CONFIRMThird Party Advisory
secunia.com/advisories/35565Third Party AdvisoryX Refsource SECUNIA
www.vupen.com/english/advisories/2009/3184VDB EntryX Refsource VUPENThird Party Advisory
slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.538210Vendor AdvisoryX Refsource SLACKWAREThird Party Advisory
www-01.ibm.com/support/docview.wss?uid=swg27014463X Refsource CONFIRMThird Party Advisory
lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlVendor AdvisoryX Refsource APPLEMailing ListThird Party Advisory
www.mandriva.com/security/advisories?name=MDVSA-2013:150Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
secunia.com/advisories/35710Third Party AdvisoryX Refsource SECUNIA
www.redhat.com/support/errata/RHSA-2009-1107.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
support.apple.com/kb/HT3937X Refsource CONFIRMThird Party Advisory
www.ubuntu.com/usn/usn-787-1Vendor AdvisoryX Refsource UBUNTUThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
lists.apache.org/thread.html/…Mailing ListX Refsource MLISTThird Party Advisory
security-tracker.debian.org/tracker/CVE-2009-0023Advisory