CVE-2009-2416

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-02. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation2% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
77%
KEV
Not listed

Published

August 11, 2009

Last Modified

April 23, 2026

References (72)

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibxml2 (2.6.32.dfsg-4ubuntu1.2) @ intrepid2026-05-30ubuntu
redhatlibxml2-0:2.6.26-2.1.2.82009-08-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(7 across 6 ecosystems)
Debian:4.0(2)
PackageVulnerable rangeFixed inDependents
libxml1:1.8.17-141:1.8.17-14+etch1—
libxml22.6.27.dfsg-1 ... 2.6.27.dfsg-6 (6 versions)2.6.27.dfsg-6+etch1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libxml2—2.7.3.dfsg-2.1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libxml2—2.7.3.dfsg-2.1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libxml2—2.7.3.dfsg-2.1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libxml2—2.7.3.dfsg-2.1—
Debian:5.0(1)
PackageVulnerable rangeFixed inDependents
libxml22.6.32.dfsg-52.6.32.dfsg-5+lenny1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 2× in last 7d / 10× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-08-25 13:43 UTCEPSS rescore
  2. 2026-08-19 16:58 UTCEPSS rescore
  3. 2026-08-15 01:24 UTCEPSS rescore
  4. 2026-08-09 21:09 UTCOSV refresh
  5. 2026-08-09 13:41 UTCEPSS rescore
  6. 2026-08-08 16:31 UTCEPSS rescore
  7. 2026-08-06 13:41 UTCEPSS rescore
  8. 2026-08-03 10:28 UTCEPSS rescore
  9. 2026-07-30 16:22 UTCEPSS rescore
  10. 2026-07-30 01:26 UTCEPSS rescore
  11. 2026-07-25 14:12 UTCEPSS rescore
  12. 2026-07-24 21:41 UTCOSV refresh
  13. 2026-07-24 14:12 UTCEPSS rescore
  14. 2026-07-23 14:14 UTCEPSS rescore
  15. 2026-07-23 00:59 UTCEG score recompute
  16. 2026-07-23 00:37 UTCEG score recompute
  17. 2026-07-23 00:04 UTCEG score recompute
  18. 2026-07-22 21:43 UTCEG score recompute
  19. 2026-07-22 14:03 UTCEPSS rescore
  20. 2026-07-21 15:20 UTCEPSS rescore
  21. 2026-07-20 17:03 UTCEPSS rescore
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  23. 2026-07-18 09:59 UTCEPSS rescore
  24. 2026-07-16 16:58 UTCEPSS rescore
  25. 2026-07-15 16:54 UTCEPSS rescore
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  1. 2026-07-15 16:54 UTCEPSS rescore
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  3. 2026-07-13 22:25 UTCEPSS rescore
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  7. 2026-07-09 19:04 UTCEPSS rescore
  8. 2026-07-08 15:10 UTCEPSS rescore
  9. 2026-07-07 16:42 UTCOSV refresh
  10. 2026-07-06 16:23 UTCEPSS rescore
  11. 2026-07-06 02:19 UTCEPSS rescore
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  17. 2026-06-30 23:19 UTCEPSS rescore
  18. 2026-06-29 14:02 UTCEPSS rescore
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  20. 2026-06-28 14:03 UTCEPSS rescore
  21. 2026-06-28 04:52 UTCEPSS rescore
  22. 2026-06-28 04:52 UTCEPSS rescore
  23. 2026-06-27 03:05 UTCEPSS rescore
  24. 2026-06-25 13:46 UTCEPSS rescore
  25. 2026-06-25 13:46 UTCEPSS rescore
  26. 2026-06-24 14:02 UTCEPSS rescore
  27. 2026-06-24 14:02 UTCEPSS rescore
  28. 2026-06-23 21:29 UTCEPSS rescore
  29. 2026-06-23 21:29 UTCEPSS rescore
  30. 2026-06-22 14:22 UTCEPSS rescore
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  32. 2026-06-21 14:53 UTCEPSS rescore
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  35. 2026-06-19 19:22 UTCEPSS rescore
  36. 2026-06-19 19:22 UTCEPSS rescore
  37. 2026-06-19 04:14 UTCOSV refresh
  38. 2026-06-18 17:49 UTCEPSS rescore
  39. 2026-06-18 17:49 UTCEPSS rescore
  40. 2026-06-17 17:49 UTCEPSS rescore
  41. 2026-06-17 17:49 UTCEPSS rescore
  42. 2026-06-16 17:49 UTCEPSS rescore
  43. 2026-06-16 17:49 UTCEPSS rescore
  44. 2026-06-15 17:44 UTCEPSS rescore
  45. 2026-06-14 23:14 UTCEPSS rescore
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  47. 2026-06-13 22:57 UTCEPSS rescore
  48. 2026-06-12 23:08 UTCEPSS rescore
  49. 2026-06-12 23:08 UTCEPSS rescore
  50. 2026-06-10 22:14 UTCEPSS rescore
  51. 2026-06-10 13:17 UTCEPSS rescore
  52. 2026-06-08 14:13 UTCEPSS rescore
  53. 2026-06-07 15:22 UTCEPSS rescore
  54. 2026-06-07 15:22 UTCEPSS rescore
  55. 2026-06-06 13:44 UTCEPSS rescore
  56. 2026-06-06 13:44 UTCEPSS rescore
  57. 2026-06-06 13:44 UTCEPSS rescore
  58. 2026-06-05 22:44 UTCEPSS rescore
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  60. 2026-06-05 06:07 UTCEPSS rescore
  61. 2026-06-04 13:09 UTCEPSS rescore
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  63. 2026-06-02 20:10 UTCEPSS rescore
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  65. 2026-06-01 13:49 UTCEPSS rescore
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  67. 2026-05-31 22:28 UTCEPSS rescore
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  69. 2026-05-31 00:13 UTCEPSS rescore
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  71. 2026-05-30 15:52 UTCEG score recompute
  72. 2026-05-30 15:52 UTCVendor advisory
  73. 2026-05-30 15:52 UTCGHSA enrichment
  74. 2026-05-29 13:40 UTCEPSS rescore
  75. 2026-05-28 13:42 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2009-2416?
CVE-2009-2416 is a medium vulnerability published on August 11, 2009. 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…
When was CVE-2009-2416 disclosed?
CVE-2009-2416 was first published in the National Vulnerability Database on August 11, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-2416 actively exploited?
CVE-2009-2416 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 23.1% of all scored CVEs.
What is the CVSS score of CVE-2009-2416?
CVE-2009-2416 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2009-2416?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-2416, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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