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Servers and applications

CVE-2009-2416

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Severity
Medium 6.5
Published
11 Aug 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2% in the next 30 daysHigher than 80% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Use after free (CWE-416)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
VMware vCenter ServerServers and applications · cpe:a:vmware:vcenter_server
  • Version 4.0
libxml2Servers and applications · cpe:a:xmlsoft:libxml2
  • Version 2.5.10
  • Version 2.6.16
  • Version 2.6.26
  • Version 2.6.27
  • Version 2.6.32
VMware ESXiServers and applications · cpe:o:vmware:esxi
  • Version 3.5
  • Version 4.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-2416
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-2416