Unrated severityNVD Advisory· Published Aug 21, 2009· Updated Jun 16, 2026
CVE-2009-2473
CVE-2009-2473
Description
neon before 0.28.6, when expat is used, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
13- www.vupen.com/english/advisories/2009/2341nvdPatchVendor Advisory
- secunia.com/advisories/36371nvdVendor Advisory
- lists.apple.com/archives/security-announce/2010//Nov/msg00000.htmlnvd
- lists.manyfish.co.uk/pipermail/neon/2009-August/001044.htmlnvd
- lists.manyfish.co.uk/pipermail/neon/2009-August/001045.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.htmlnvd
- rhn.redhat.com/errata/RHSA-2013-0131.htmlnvd
- support.apple.com/kb/HT4435nvd
- www.mandriva.com/security/advisoriesnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/52633nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461nvd
- www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.htmlnvd
- www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.htmlnvd
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