Stack consumption vulnerability in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xmlsoft:libxml:1.8.17:*:*:*:*:*:*:* | 1.8.17 | Vulnerable | xmlsoft |
| cpe:2.3:a:xmlsoft:libxml2:2.5.10:*:*:*:*:*:*:* | 2.5.10 | Vulnerable | xmlsoft |
| cpe:2.3:a:xmlsoft:libxml2:2.6.16:*:*:*:*:*:*:* | 2.6.16 | Vulnerable | xmlsoft |
| cpe:2.3:a:xmlsoft:libxml2:2.6.26:*:*:*:*:*:*:* | 2.6.26 | Vulnerable | xmlsoft |
| cpe:2.3:a:xmlsoft:libxml2:2.6.27:*:*:*:*:*:*:* | 2.6.27 | Vulnerable | xmlsoft |
| cpe:2.3:a:xmlsoft:libxml2:2.6.32:*:*:*:*:*:*:* | 2.6.32 | Vulnerable | xmlsoft |
- cpe:2.3:a:xmlsoft:libxml:1.8.17:*:*:*:*:*:*:* Versions 1.8.17 Vulnerable ·xmlsoft
- cpe:2.3:a:xmlsoft:libxml2:2.5.10:*:*:*:*:*:*:* Versions 2.5.10 Vulnerable ·xmlsoft
- cpe:2.3:a:xmlsoft:libxml2:2.6.16:*:*:*:*:*:*:* Versions 2.6.16 Vulnerable ·xmlsoft
- cpe:2.3:a:xmlsoft:libxml2:2.6.26:*:*:*:*:*:*:* Versions 2.6.26 Vulnerable ·xmlsoft
- cpe:2.3:a:xmlsoft:libxml2:2.6.27:*:*:*:*:*:*:* Versions 2.6.27 Vulnerable ·xmlsoft
- cpe:2.3:a:xmlsoft:libxml2:2.6.32:*:*:*:*:*:*:* Versions 2.6.32 Vulnerable ·xmlsoft
Remediation
Red Hat 1 advisory
- RHSA-2009:1206 Released 2009-08-10 · Red Hat rating Moderatelibxml and libxml2 security update
- Red Hat Desktop version 3 libxml-1:1.8.17-9.3, libxml-1:1.8.17-9.3.i386, libxml-devel-1:1.8.17-9.3 +7
- Red Hat Enterprise Linux (v. 5 server) libxml2-2.6.26-2.1.2.8, libxml2-2.6.26-2.1.2.8.i386, libxml2-2.6.26-2.1.2.8.ia64 +9
- Red Hat Enterprise Linux AS version 3 libxml-1:1.8.17-9.3, libxml-1:1.8.17-9.3.i386, libxml-1:1.8.17-9.3.ia64 +17
- Red Hat Enterprise Linux AS version 4 libxml2-2.6.16-12.7, libxml2-2.6.16-12.7.i386, libxml2-2.6.16-12.7.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) libxml2-2.6.26-2.1.2.8, libxml2-2.6.26-2.1.2.8.i386, libxml2-python-2.6.26-2.1.2.8 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libxml2-2.6.26-2.1.2.8, libxml2-devel-2.6.26-2.1.2.8, libxml2-devel-2.6.26-2.1.2.8.i386
- Red Hat Enterprise Linux Desktop version 4 libxml2-2.6.16-12.7, libxml2-2.6.16-12.7.i386, libxml2-devel-2.6.16-12.7 +3
- Red Hat Enterprise Linux ES version 3 libxml-1:1.8.17-9.3, libxml-1:1.8.17-9.3.i386, libxml-1:1.8.17-9.3.ia64 +12
- Red Hat Enterprise Linux ES version 4 libxml2-2.6.16-12.7, libxml2-2.6.16-12.7.i386, libxml2-2.6.16-12.7.ia64 +6
- Red Hat Enterprise Linux WS version 3 libxml-1:1.8.17-9.3, libxml-1:1.8.17-9.3.i386, libxml-1:1.8.17-9.3.ia64 +12
- Red Hat Enterprise Linux WS version 4 libxml2-2.6.16-12.7, libxml2-2.6.16-12.7.i386, libxml2-2.6.16-12.7.ia64 +6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2009:1206 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2414
- 2026-10-03 Alias added: GHSA-pxj8-hpwc-88mp
References
Patch 1
Advisory 8
Other 18
- http://www.networkworld.com/columnists/2009/080509-xml-flaw.html
- http://www.openoffice.org/security/cves/CVE-2009-2414-2416.html
- ADV-2009-3217
- http://support.apple.com/kb/HT4225
- ADV-2009-2420
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.cert.fi/en/reports/2009/vulnerability2009085.html
- http://www.codenomicon.com/labs/xml/
- http://support.apple.com/kb/HT3949
- [debian-bugs-dist] 20090810 Bug#540865: libxml2: CVE-2009-2414, CVE-2009-2416 pointer-user-after-free and stack overflow because of function recursion
- http://googlechromereleases.blogspot.com/2009/08/stable-update-security-fixes.html
- https://git.gnome.org/browse/libxml2/commit/?id=489f9671e71cc44a97b23111b3126ac8a1e21a59
- oval:org.mitre.oval:def:8639
- oval:org.mitre.oval:def:10129
- https://bugzilla.redhat.com/show_bug.cgi?id=515195
- ADV-2009-3184
- ADV-2009-3316
- http://support.apple.com/kb/HT3937
More xmlsoft Libxml vulnerabilities
- TI-2004-00896 Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other… CVSS 2.0HIGH 10.0
- TI-2011-01715 Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and… CVSS 2.0HIGH 9.3
- TI-2004-00093 Buffer overflow in the (1) nanohttp or (2) nanoftp modules in XMLSoft Libxml 2 (Libxml2)… CVSS 2.0HIGH 7.5
- TI-2008-04054 Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows… CVSS 2.0HIGH 10.0
- TI-2008-04053 Integer overflow in the xmlBufferResize function in libxml2 2.7.2 allows… CVSS 2.0HIGH 7.8
- TI-2009-02305 Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2009-2414 · CVE Program
- CVE-2009-2414 · NVD
- FIRST EPSS
- GHSA-pxj8-hpwc-88mp · GitHub Advisory Database · CC BY 4.0
- CVE-2009-2414 · Red Hat security data · CC BY 4.0
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