Skip to content
Fencer Vulns
medium 6.5

CVE-2009-2416 json

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 a…

published 2009-08-11 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2412

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

  • google chrome 2.0.172.43
  • apple safari 4.0.4
  • sun openoffice.org 2.4.3, 3.1.1
  • apple iphone_os 4.0
  • apple mac_os_x 10.4.11, 10.5.8, 10.6.2
  • apple mac_os_x_server 10.4.11, 10.5.8, 10.6.2
  • libxml2 Debian 14, Debian 13, Debian 12 2.7.3.dfsg-2.1

debian advisories DEBIAN-CVE-2009-2416

  • libxml RHEL 3 1:1.8.17-9.3
  • libxml2 RHEL 3 2.5.10-15
  • libxml2 RHEL 4 2.6.16-12.7
  • libxml2 RHEL 5 2.6.26-2.1.2.8
  • libxml2-python RHEL 3 2.5.10-15
  • libxml2-python RHEL 4 2.6.16-12.7
  • libxml2-python RHEL 5 2.6.26-2.1.2.8

red hat advisories RHSA-2009:1206

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-2416 updated cvss 4.3

mingw32-libxml2: Pointer use-after-free flaws by parsing Notation and Enumeration attribute types

  • Red Hat Desktop version 3 libxml 1.8.17-9.3, libxml2 2.5.10-15, libxml2-python 2.5.10-15 Red Hat Enterprise Linux (v. 5 server) libxml2 2.6.26-2.1.2.8, libxml2-python 2.6.26-2.1.2.8 Red Hat Enterprise Linux AS version 3 libxml 1.8.17-9.3, libxml2 2.5.10-15, libxml2-python 2.5.10-15 Red Hat Enterprise Linux AS version 4 libxml2 2.6.16-12.7, libxml2-python 2.6.16-12.7 Red Hat Enterprise Linux Desktop (v. 5 client) libxml2 2.6.26-2.1.2.8, libxml2-python 2.6.26-2.1.2.8 Red Hat Enterprise Linux Desktop version 4 libxml2 2.6.16-12.7, libxml2-python 2.6.16-12.7
    +5 more products
    Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libxml2 2.6.26-2.1.2.8, libxml2-python 2.6.26-2.1.2.8 Red Hat Enterprise Linux ES version 3 libxml 1.8.17-9.3, libxml2 2.5.10-15, libxml2-python 2.5.10-15 Red Hat Enterprise Linux ES version 4 libxml2 2.6.16-12.7, libxml2-python 2.6.16-12.7 Red Hat Enterprise Linux WS version 3 libxml 1.8.17-9.3, libxml2 2.5.10-15, libxml2-python 2.5.10-15 Red Hat Enterprise Linux WS version 4 libxml2 2.6.16-12.7, libxml2-python 2.6.16-12.7
    fixed: vendor fix RHSA-2009:1206

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.