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…

Description

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.

Scores

EPSS (exploitation in 30 days)

2.0% · top 20% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• n/a
• CWE-416 Use After Free (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• n/a

  • affected n/a

References (36)

• USN-815-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• FEDORA-2009-8491 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 36631 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:9262 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://www.networkworld.com/columnists/2009/080509-xml-flaw.html (opens in a new tab)x_refsource_MISCx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=515205 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.openoffice.org/security/cves/CVE-2009-2414-2416.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2009-11-11-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• ADV-2009-3217 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 37471 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.apple.com/kb/HT4225 (opens in a new tab)x_refsource_CONFIRMx_transferred
• ADV-2009-2420 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• FEDORA-2009-8580 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 36417 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.cert.fi/en/reports/2009/vulnerability2009085.html (opens in a new tab)x_refsource_MISCx_transferred
• http://www.codenomicon.com/labs/xml/ (opens in a new tab)x_refsource_MISCx_transferred
• SUSE-SR:2009:015 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://support.apple.com/kb/HT3949 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-bugs-dist] 20090810 Bug#540865: libxml2: CVE-2009-2414, CVE-2009-2416 pointer-user-after-free and stack overflow because of function recursion (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 36010 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://googlechromereleases.blogspot.com/2009/08/stable-update-security-fixes.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• https://git.gnome.org/browse/libxml2/commit/?id=489f9671e71cc44a97b23111b3126ac8a1e21a59 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35036 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 36338 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2009-8498 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• oval:org.mitre.oval:def:7783 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• ADV-2009-3184 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• DSA-1859 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• APPLE-SA-2009-11-09-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• APPLE-SA-2010-06-21-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 37346 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-3316 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://support.apple.com/kb/HT3937 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 36207 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-2416](https://trackcve.app/badge/CVE-2009-2416.svg)](https://trackcve.app/cve/CVE-2009-2416)

Record last updated 21 Jan 2025, 15:30 UTC.