CVE-2009-3953

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 84%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows remote attackers to execute arbitrary code via malformed U3D data in a PDF document, related to a CLODProgressiveMeshDeclaration "array boundary issue," a different vulnerability than CVE-2009-2994.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
84%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

January 13, 2010

Last Modified

April 21, 2026

Advisory Details (4)

Auto-updated May 2, 2026
No patch confirmed yet.
generic
http://www.securityfocus.com/bid/37758
generic

Support

http://www.redhat.com/support/errata/RHSA-2010-0060.html
generic

About Secunia Research | Flexera

http://secunia.com/advisories/38215
generic

About Secunia Research | Flexera

http://secunia.com/advisories/38138

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatacroread-0:9.3-32010-01-20redhat
redhatacroread-0:9.3-1.el42010-01-13redhat
redhatacroread-0:9.3-1.el52010-01-13redhat

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.

Weakness Classification(2)

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

All Vendor Advisories

(3)

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 57× in last 7d / 337× 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 705 total refreshes for this CVE.

  1. 2026-07-27 12:44 UTCVendor advisory
  2. 2026-07-27 12:44 UTCGHSA enrichment
  3. 2026-07-27 08:30 UTCVendor advisory
  4. 2026-07-27 08:30 UTCGHSA enrichment
  5. 2026-07-27 04:15 UTCVendor advisory
  6. 2026-07-27 04:15 UTCGHSA enrichment
  7. 2026-07-26 23:58 UTCVendor advisory
  8. 2026-07-26 23:57 UTCGHSA enrichment
  9. 2026-07-26 19:43 UTCVendor advisory
  10. 2026-07-26 19:43 UTCGHSA enrichment
  11. 2026-07-26 15:28 UTCEG score recompute
  12. 2026-07-26 15:28 UTCVendor advisory
  13. 2026-07-26 15:28 UTCGHSA enrichment
  14. 2026-07-26 11:13 UTCEG score recompute
  15. 2026-07-26 11:13 UTCVendor advisory
  16. 2026-07-26 11:13 UTCGHSA enrichment
  17. 2026-07-26 07:00 UTCVendor advisory
  18. 2026-07-26 06:59 UTCGHSA enrichment
  19. 2026-07-26 02:44 UTCVendor advisory
  20. 2026-07-26 02:44 UTCGHSA enrichment
  21. 2026-07-23 01:00 UTCEG score recompute
  22. 2026-07-23 00:37 UTCEG score recompute
  23. 2026-07-23 00:04 UTCEG score recompute
  24. 2026-07-22 22:54 UTCVendor advisory
  25. 2026-07-22 22:54 UTCGHSA enrichment
Show 75 more
  1. 2026-07-22 21:43 UTCEG score recompute
  2. 2026-07-22 19:40 UTCCISA KEV update
  3. 2026-07-22 18:39 UTCVendor advisory
  4. 2026-07-22 18:39 UTCGHSA enrichment
  5. 2026-07-22 14:24 UTCEG score recompute
  6. 2026-07-22 14:24 UTCVendor advisory
  7. 2026-07-22 14:24 UTCGHSA enrichment
  8. 2026-07-22 14:03 UTCEPSS rescore
  9. 2026-07-22 10:08 UTCVendor advisory
  10. 2026-07-22 10:08 UTCGHSA enrichment
  11. 2026-07-22 05:54 UTCVendor advisory
  12. 2026-07-22 05:53 UTCGHSA enrichment
  13. 2026-07-22 01:39 UTCVendor advisory
  14. 2026-07-22 01:39 UTCGHSA enrichment
  15. 2026-07-21 17:32 UTCVendor advisory
  16. 2026-07-21 17:32 UTCGHSA enrichment
  17. 2026-07-21 14:37 UTCCISA KEV update
  18. 2026-07-21 13:18 UTCVendor advisory
  19. 2026-07-21 13:18 UTCGHSA enrichment
  20. 2026-07-21 09:02 UTCVendor advisory
  21. 2026-07-21 09:02 UTCGHSA enrichment
  22. 2026-07-21 04:47 UTCVendor advisory
  23. 2026-07-21 04:46 UTCGHSA enrichment
  24. 2026-07-21 00:31 UTCVendor advisory
  25. 2026-07-21 00:31 UTCGHSA enrichment
  26. 2026-07-20 20:17 UTCEG score recompute
  27. 2026-07-20 20:17 UTCVendor advisory
  28. 2026-07-20 20:17 UTCGHSA enrichment
  29. 2026-07-20 17:03 UTCEPSS rescore
  30. 2026-07-20 17:03 UTCEPSS rescore
  31. 2026-07-20 16:02 UTCVendor advisory
  32. 2026-07-20 16:01 UTCGHSA enrichment
  33. 2026-07-20 11:47 UTCVendor advisory
  34. 2026-07-20 11:47 UTCGHSA enrichment
  35. 2026-07-20 07:33 UTCVendor advisory
  36. 2026-07-20 07:33 UTCGHSA enrichment
  37. 2026-07-20 03:19 UTCVendor advisory
  38. 2026-07-20 03:18 UTCGHSA enrichment
  39. 2026-07-19 23:05 UTCVendor advisory
  40. 2026-07-19 23:05 UTCGHSA enrichment
  41. 2026-07-19 18:50 UTCVendor advisory
  42. 2026-07-19 18:50 UTCGHSA enrichment
  43. 2026-07-19 14:36 UTCVendor advisory
  44. 2026-07-19 14:36 UTCGHSA enrichment
  45. 2026-07-19 10:21 UTCVendor advisory
  46. 2026-07-19 10:21 UTCGHSA enrichment
  47. 2026-07-19 06:07 UTCVendor advisory
  48. 2026-07-19 06:07 UTCGHSA enrichment
  49. 2026-07-19 01:53 UTCVendor advisory
  50. 2026-07-19 01:53 UTCGHSA enrichment
  51. 2026-07-18 21:39 UTCVendor advisory
  52. 2026-07-18 21:39 UTCGHSA enrichment
  53. 2026-07-18 17:25 UTCVendor advisory
  54. 2026-07-18 17:24 UTCGHSA enrichment
  55. 2026-07-18 13:10 UTCVendor advisory
  56. 2026-07-18 13:10 UTCGHSA enrichment
  57. 2026-07-18 08:56 UTCVendor advisory
  58. 2026-07-18 08:56 UTCGHSA enrichment
  59. 2026-07-18 04:42 UTCVendor advisory
  60. 2026-07-18 04:42 UTCGHSA enrichment
  61. 2026-07-18 00:28 UTCVendor advisory
  62. 2026-07-18 00:28 UTCGHSA enrichment
  63. 2026-07-17 20:14 UTCVendor advisory
  64. 2026-07-17 20:14 UTCGHSA enrichment
  65. 2026-07-17 16:00 UTCVendor advisory
  66. 2026-07-17 16:00 UTCGHSA enrichment
  67. 2026-07-17 11:46 UTCVendor advisory
  68. 2026-07-17 11:46 UTCGHSA enrichment
  69. 2026-07-17 07:32 UTCEG score recompute
  70. 2026-07-17 07:32 UTCVendor advisory
  71. 2026-07-17 07:32 UTCGHSA enrichment
  72. 2026-07-17 03:18 UTCVendor advisory
  73. 2026-07-17 03:18 UTCGHSA enrichment
  74. 2026-07-16 23:04 UTCVendor advisory
  75. 2026-07-16 23:04 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16622✓ verified
    First seen Sep 25, 2010

    Adobe - U3D CLODProgressiveMeshDeclaration Array Overrun (Metasploit) (2)

    Open source ↗
  • Metasploitexploit/windows/fileformat/adobe_u3d_meshdecl✓ verified
    First seen Oct 13, 2009

    Adobe U3D CLODProgressiveMeshDeclaration Array Overrun

    Open source ↗

Frequently asked(6)

What is CVE-2009-3953?
CVE-2009-3953 is a critical vulnerability published on January 13, 2010. The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows remote attackers to execute arbitrary code via malformed U3D data in a PDF document, related to a CLODProgressiveMeshDeclaration "array boundary issue," a different…
When was CVE-2009-3953 disclosed?
CVE-2009-3953 was first published in the National Vulnerability Database on January 13, 2010, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-3953 actively exploited?
Yes. CISA added CVE-2009-3953 to the Known Exploited Vulnerabilities catalog on June 8, 2022, affecting Adobe Acrobat and Reader. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2009-3953?
CVE-2009-3953 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2009-3953?
CVE-2009-3953 affects Adobe Acrobat and Reader. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2009-3953?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-3953, 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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