CVE-2009-3459

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 2026-05-20), 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 — 4 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: 87%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained from third party information.

CVSS v3
8.8
EG Score
9.0CRITICALhigh confidence
EG Risk
81
EG Risk 81/100CISA SSVC

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%
CISA SSVC: Track at low, Attend at medium and Act at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.
EPSS PROB
87%
EPSS %ILE
99th
KEV
⚠ Exploited

CISA SSVCTrack at low, Attend at medium and Act at high mission impact.

A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.

Exploitation active (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 13, 2009

Last Modified

May 21, 2026

Advisory Details (5)

Auto-updated May 22, 2026
Patch available.
generic

VUPEN Security - Vulnerability Research and Intelligence

http://www.vupen.com/english/advisories/2009/2851
generic
http://www.securityfocus.com/bid/36600
generic
http://securitytracker.com/id?1023007
generic

About Secunia Research | Flexera

http://secunia.com/advisories/36983
generic

SANS.edu Internet Storm Center - SANS Internet Storm Center

http://isc.sans.org/diary.html?storyid=7300

Vendor Advisories for CVE-2009-3459(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatacroread-0:8.1.7-1.el52009-10-14redhat

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

(1)

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 92× in last 7d / 384× 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 1,698 total refreshes for this CVE.

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

Publicly available exploits

(4 references)

Public exploit code is referenced for this CVE (2 Metasploit modules, 2 Exploit-DB entries). Defenders should treat patch urgency accordingly.

  • Exploit-DBEDB-16652✓ verified
    Published Sep 25, 2010

    Adobe - FlateDecode Stream Predictor 02 Integer Overflow (Metasploit) (2)

    Open source ↗
  • Exploit-DBEDB-16546✓ verified
    Published Sep 20, 2010

    Adobe - FlateDecode Stream Predictor 02 Integer Overflow (Metasploit) (1)

    Open source ↗
  • Metasploitexploit/windows/browser/adobe_flatedecode_predictor02✓ verified
    Published Dec 16, 2009

    Adobe FlateDecode Stream Predictor 02 Integer Overflow

    Open source ↗
  • Metasploitexploit/windows/fileformat/adobe_flatedecode_predictor02✓ verified
    Published Dec 16, 2009

    Adobe FlateDecode Stream Predictor 02 Integer Overflow

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2009-3459?
CVE-2009-3459 is a critical vulnerability published on October 13, 2009. Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained…
When was CVE-2009-3459 disclosed?
CVE-2009-3459 was first published on October 13, 2009, with the most recent update on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-3459 actively exploited?
Yes. CISA added CVE-2009-3459 to the Known Exploited Vulnerabilities catalog on May 20, 2026, affecting Adobe Acrobat and Reader. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2009-3459?
CVE-2009-3459 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 (CRITICAL).
Which products are affected by CVE-2009-3459?
CVE-2009-3459 affects Adobe Acrobat and Reader.
How do I remediate CVE-2009-3459?
A fix for CVE-2009-3459 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2009-3459 are linked in the Vendor Advisories panel on this page.

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