CVE-2009-4324

HIGHNVD 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
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 82%CVSS: 7.8Exploit: NoneExposed: 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)
EPSS
99.6%
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 christanderson.ma@gmail.com 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 101× in last 7d / 418× 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 758 total refreshes for this CVE.

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

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 ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2009-4324?
CVE-2009-4324 is a high 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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