CVE-2009-2473
MEDIUM · CVSS 4.3EPSS 8.4%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 8.4% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2468)
- Published
- August 21, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2468 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- webdav / neon
References
- http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
- http://lists.manyfish.co.uk/pipermail/neon/2009-August/001044.html
- http://lists.manyfish.co.uk/pipermail/neon/2009-August/001045.html
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2013-0131.html
- http://secunia.com/advisories/36371(Vendor Advisory)
- http://support.apple.com/kb/HT4435
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:221
- http://www.vupen.com/english/advisories/2009/2341(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52633
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.html
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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