Skip to main content
ExploitedIn CISA KEVFix available

CVE-2009-4324

Exploitation confirmed. First attested on 2022-06-08 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2009-12-15
  • Fixed in9.3 · 8.2
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2009-12-1502:30CVE publishedNVD
  2. 2022-06-08Added to the CISA KEV catalogCISA KEV
  3. 2022-06-08Listed as exploited by GCVEGCVE
  4. 2022-06-08Exploitation first reportedCISA KEV
  5. 2025-02-0421:42SSVC exploitation set to activeCISA-ADP
  6. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2009-4324?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2009-4324?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Adobe acrobatversion to verify
BranchAffectedFixed in
9.x≥ 9.0, < 9.39.3
8.x≥ 8.0, < 8.28.2
Adobe acrobat readerversion to verify
BranchAffectedFixed in
9.x≥ 9.0, < 9.39.3
8.x≥ 8.0, < 8.28.2
Opensuse
BranchAffectedFixed in
11.1= 11.1no fix published
11.2= 11.2no fix published

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Adobe acrobat to 9.3 · 8.2
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-06-22

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

CISA Known Exploited Vulnerability

Date Added
2022-06-08
Patch Due Date
2022-06-22
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

  • CISA KEVKEV entry2022-06-08
  • GCVEexploitation2022-06-08
  • CISA-ADPSSVC decisionactive2025-02-04
  • OpenCVESSVC decisionactive—
  • CISA-ADPCVSS 3.17.82025-02-04
  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • CISA-ADPweakness (CWE)CWE-4162025-02-04
  • NVDweakness (CWE)CWE-416read 2026-10-23
  • FIRST EPSSEPSS score81.9 %read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2009-12-15
Last Modified
2026-06-16
NVD status
Analyzed

Frequently asked questions

What is CVE-2009-4324?

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.

Is CVE-2009-4324 actively exploited?

Yes. CVE-2009-4324 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-22.

What is the CVSS score for CVE-2009-4324?

CVE-2009-4324 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month