CVE-2009-4324

CRITICALNVD 7.89.0▲
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 7.8 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: 82%CVSS: 7.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

Use-after-free vulnerability in the Doc.media.newPlayer method in Multimedia.api in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted PDF file using ZLib compressed streams, as exploited in the wild in December 2009.

CVSS v3
7.8
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
82%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

December 15, 2009

Last Modified

April 21, 2026

Advisory Details (6)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: cert.
cert🔴 Active Exploitation

VU#508357 - Adobe Acrobat and Reader contain a use-after-free vulnerability in the JavaScript Doc.media.newPlayer method

http://www.kb.cert.org/vuls/id/508357
generic🔴 Active Exploitation

Adobe - Security Advisories: APSA09-07 - Security Advisory for Adobe Reader and Acrobat

http://www.adobe.com/support/security/advisories/apsa09-07.html
generic

About Secunia Research | Flexera

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

About Secunia Research | Flexera

http://secunia.com/advisories/38138
generic

About Secunia Research | Flexera

http://secunia.com/advisories/37690
generic🔴 Active Exploitation

contagio: Dec.11 Adobe 0 day CVE-2009-4324 Attack of the Day (#1). Fwd: Reference from [email protected] Fri 2009-12-11 01:08

http://contagiodump.blogspot.com/2009/12/virustotal-httpwww.html

Patch Availability(3)

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

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(1)

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 63× 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 788 total refreshes for this CVE.

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

Publicly available exploits

(5 references)

Working exploit code is in the public domain (2 Metasploit modules) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16623✓ verified
    First seen Sep 25, 2010

    Adobe - 'Doc.media.newPlayer' Use-After-Free (Metasploit) (2)

    Open source ↗
  • Exploit-DBEDB-16503✓ verified
    First seen Apr 30, 2010

    Adobe - 'Doc.media.newPlayer' Use-After-Free (Metasploit) (1)

    Open source ↗
  • Exploit-DBEDB-10618✓ verified
    First seen Dec 23, 2009

    Adobe Reader / Acrobat - '.PDF' File Overflow

    Open source ↗
  • Metasploitexploit/windows/browser/adobe_media_newplayer✓ verified
    First seen Dec 14, 2009

    Adobe Doc.media.newPlayer Use After Free Vulnerability

    Open source ↗
  • Metasploitexploit/windows/fileformat/adobe_media_newplayer✓ verified
    First seen Dec 14, 2009

    Adobe Doc.media.newPlayer Use After Free Vulnerability

    Open source ↗

Frequently asked(6)

What is CVE-2009-4324?
CVE-2009-4324 is a critical vulnerability published on December 15, 2009. Use-after-free vulnerability in the Doc.media.newPlayer method in Multimedia.api in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted PDF file using ZLib compressed streams, as exploited in the wild…
When was CVE-2009-4324 disclosed?
CVE-2009-4324 was first published in the National Vulnerability Database on December 15, 2009, 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-2009-4324 actively exploited?
Yes. CISA added CVE-2009-4324 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-2009-4324?
CVE-2009-4324 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2009-4324?
CVE-2009-4324 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-2009-4324?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-4324, 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.

Dependency Blast Radius

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