CVE-2009-2414
CVE-2009-2414 is a medium-severity vulnerability in Xmlsoft Libxml with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.3)
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Xmlsoft Libxml
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2009-2414?
- CVE-2009-2414 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2009-2414 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-2414?
- CVE-2009-2414 primarily affects Xmlsoft Libxml. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-2414?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-2414 published?
- CVE-2009-2414 was published on 2009-08-11 and last updated on 2026-06-16.
References
- http://googlechromereleases.blogspot.com/2009/08/stable-update-security-fixes.html
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00001.html
- http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
- http://secunia.com/advisories/35036
- http://secunia.com/advisories/36207
- http://secunia.com/advisories/36338
- http://secunia.com/advisories/36417
- http://secunia.com/advisories/36631
- http://secunia.com/advisories/37346
- http://secunia.com/advisories/37471
- http://support.apple.com/kb/HT3937
- http://support.apple.com/kb/HT3949
- http://support.apple.com/kb/HT4225
- http://www.cert.fi/en/reports/2009/vulnerability2009085.html
- http://www.codenomicon.com/labs/xml/
- http://www.debian.org/security/2009/dsa-1859
- http://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg678527.html
- http://www.networkworld.com/columnists/2009/080509-xml-flaw.html
- http://www.openoffice.org/security/cves/CVE-2009-2414-2416.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/bid/36010
- http://www.ubuntu.com/usn/USN-815-1
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/2420
- http://www.vupen.com/english/advisories/2009/3184
- http://www.vupen.com/english/advisories/2009/3217
- http://www.vupen.com/english/advisories/2009/3316
- https://bugzilla.redhat.com/show_bug.cgi?id=515195
Affected products (6)
- cpe:2.3:a:xmlsoft:libxml:1.8.17:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.5.10:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.6.26:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.6.27:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.6.32:*:*:*:*:*:*:*
More vulnerabilities in Xmlsoft Libxml
- CVE-2008-4226 — Critical (CVSS 10.0): Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows context-dependent attackers to cause a…
- CVE-2004-0989 — Critical (CVSS 10.0): Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other versions, may allow remote…
- CVE-2011-1944 — Critical (CVSS 9.3): Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier,…
- CVE-2008-4225 — High (CVSS 7.8): Integer overflow in the xmlBufferResize function in libxml2 2.7.2 allows context-dependent attackers to cause a denial…
- CVE-2004-0110 — High (CVSS 7.5): Buffer overflow in the (1) nanohttp or (2) nanoftp modules in XMLSoft Libxml 2 (Libxml2) 2.6.0 through 2.6.5 allow…
- CVE-2009-2416 — Medium (CVSS 6.5): 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…
All CVEs affecting Xmlsoft Libxml →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
- CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
- CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.