UpHeron
All vulnerabilities

Servers and applications

CVE-2009-2414

Stack consumption vulnerability in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allows context-dependent attackers to cause a denial of service (application crash) via a large depth of element declarations in a DTD, related to a function recursion, as demonstrated by the Codenomicon XML fuzzing framework.

Severity
Medium 4.3
Published
11 Aug 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.1% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-2414
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-2414