CVE-2009-3560: apache http_server
Vulnerability summary
CVE-2009-3560 is a medium (CVSS 5.0) vulnerability in apache http_server. EPSS estimates a 24.31% chance of exploitation in the next 30 days, higher than 97.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 04-12-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
24.31%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
No change 0.00 pp
From 24.31% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (mail.python.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian17 products
- audacity< 1.3.2-1
- cadaverAll versions (No fix recorded)
- cmake< 2.6.0-6
- coin3< 4.0.0~CMake~6f54f1602475+ds1-1
- expat< 1.95.8-3.4+etch2 | < 2.0.1-4+lenny2 | < 1.95.8-3.4+etch3 | < 2.0.1-4+lenny3 | < 2.0.1-6
Ubuntu6 products
- cableswigAll versions (No fix recorded)
- coin3All versions (No fix recorded)
- matanzaAll versions (No fix recorded)
- paraviewAll versions (No fix recorded)
- sitecopyAll versions (No fix recorded)
Apache1 product
- http_server≥ 2.0.35, < 2.0.64 | ≥ 2.2.0, < 2.2.17
Libexpat_project1 product
- libexpat2.0.1
4 vendors · 25 products
References
67 links- expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.165X Refsource CONFIRMPermissions Required
- slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026Vendor AdvisoryX Refsource SLACKWAREMailing ListThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00370.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.vmware.com/pipermail/security-announce/2010/000082.htmlMailing ListX Refsource MLISTBroken Link
Show all 67 references
- lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryVDB Entry
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6883VDB EntrySignatureX Refsource OVALBroken Link
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12942VDB EntrySignatureX Refsource OVALBroken Link
- lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00413.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryVDB Entry
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00394.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.htmlVendor AdvisoryX Refsource SUSEThird Party AdvisoryVDB Entry
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10613VDB EntrySignatureX Refsource OVALBroken Link
- sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1Vendor AdvisoryX Refsource SUNALERTMailing ListThird Party Advisory
- marc.info?l=bugtraq&m=130168502603566&w=2Vendor AdvisoryX Refsource HPMailing ListThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2009:316Vendor AdvisoryX Refsource MANDRIVABroken Link