CVE-2009-3560

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Summary

CVECVE-2009-3560
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-12-04 21:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Http Server All All All All
Application Libexpat Project Libexpat 2.0.1 All All All
Application Xmltwig Xml-twig For Perl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Support / Security / Advisories / / MDVSA-2009:316 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Broken Link
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:013 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory, VDB Entry
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:014 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory, VDB Entry
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
[SECURITY] Fedora 10 Update: expat-2.0.1-8.fc10 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Mailing List, Third Party Advisory
VMware ESX Server Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Apache APR-util Multiple Denial of Service Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:012 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory, VDB Entry
Ubuntu update for expat - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
[SECURITY] Fedora 12 Update: expat-2.0.1-8.fc12 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Mailing List, Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Ubuntu update for cmake - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
VMware vMA Update for Multiple Packages - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
[Expat-bugs] [ expat-Bugs-2894085 ] expat: buffer over-read and crash in big2_toUtf8() af854a3a-2127-422b-91ae-364da2661108 mail.python.org Exploit
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Mailing List, Third Party Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
SecurityTracker.com Archives - expat Buffer Over-read in big2_toUtf8() Lets Users Deny Service af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
[SECURITY] Fedora 11 Update: expat-2.0.1-8.fc11 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Mailing List, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Broken Link
The Slackware Linux Project: Slackware Security Advisories af854a3a-2127-422b-91ae-364da2661108 slackware.com Mailing List, Third Party Advisory
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:001 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Bug 533174 – CVE-2009-3560 expat: buffer over-read and crash in big2_toUtf8() on XML with malformed UTF-8 sequences af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch
Expat XML Parsing Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
CVS Info for project expat af854a3a-2127-422b-91ae-364da2661108 expat.cvs.sourceforge.net Permissions Required
[Security-announce] VMSA-2010-0004 ESX Service Console and vMA third party updates af854a3a-2127-422b-91ae-364da2661108 lists.vmware.com Broken Link
USN-890-6: CMake vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Debian -- Security Information -- DSA-1953-1 expat af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
VMware ESX Server 4 Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:011 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory, VDB Entry
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
'[security bulletin] HPSBUX02645 SSRT100387 rev.1 - HP-UX Apache Web Server, Remote Information Discl' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Mailing List, Third Party Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Broken Link
CVS Info for project expat af854a3a-2127-422b-91ae-364da2661108 expat.cvs.sourceforge.net Broken Link
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
USN-890-1: Expat vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory, VDB Entry
Pony Mail! MITRE lists.apache.org
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