medium
6.5
CWE
399 416
Advisory Published
CVE Published
Updated

CVE-2009-2416: Use After Free

First published: Mon Aug 03 2009(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
libxml2=2.6.16
libxml2=2.6.32
libxml2=2.6.26
libxml2=2.6.27
Libxml2=1.8.17
libxml2=2.5.10
Fedora=10
Fedora=11
Debian=4.0
Red Hat Enterprise Linux=3.0
Red Hat Enterprise Linux=4.0
Red Hat Enterprise Linux=5.0
Ubuntu=6.06
Ubuntu=8.04
Ubuntu=8.10
Ubuntu=9.04
Google Chrome<2.0.172.43
Apple Mobile Safari<4.0.4
iOS>=2.0<4.0
Apple iOS and macOS<10.4.11
Apple iOS and macOS>=10.5.0<10.5.8
Apple iOS and macOS>=10.6.0<10.6.2
Apple macOS Server<10.4.11
Apple macOS Server>=10.5.0<10.5.8
Apple macOS Server>=10.6.0<10.6.2
openSUSE>=10.3<=11.1
SUSE Linux Enterprise Server=10.0
SUSE Linux Enterprise Server=11.0
SUSE Linux Enterprise Server=9
VMware vCenter=4.0
VMware vMA=4.0
VMware ESX=3.0.3
VMware ESX=3.5
VMware ESX=4.0
VMware ESXi=3.5
VMware ESXi=4.0
sun openoffice.org>=2.0.0<2.4.3
sun openoffice.org>=3.0.0<3.1.1

Remedy

http://www.debian.org/security/2009/dsa-1859

Remedy

http://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg678527.html

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=515205

Remedy

https://git.gnome.org/browse/libxml2/commit/?id=489f9671e71cc44a97b23111b3126ac8a1e21a59

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-2416?

    CVE-2009-2416 is considered a medium severity vulnerability due to its potential to cause denial of service through application crashes.

  • How do I fix CVE-2009-2416?

    To fix CVE-2009-2416, upgrade to a version of libxml2 that is newer than 2.6.32.

  • What software is affected by CVE-2009-2416?

    CVE-2009-2416 affects multiple versions of libxml2 including 2.5.10 through 2.6.32 and libxml 1.8.17.

  • What type of vulnerability is CVE-2009-2416?

    CVE-2009-2416 is classified as a use-after-free vulnerability.

  • What impact can CVE-2009-2416 have on applications?

    CVE-2009-2416 can lead to application crashes, resulting in denial of service for users.

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