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CVE DATABASE  /  CVE-2009-4324

CVE-2009-4324

Adobe Acrobat and Reader Use-After-Free Vulnerability

CVSS 7.8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog

Confirmed exploited in the wild. Added 2022-06-08. Federal remediation due 2022-06-22.
Required action: Apply updates per vendor instructions.

Summary

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 3.1 breakdown

Base score7.8 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vectorLOCAL
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH

Weakness type (CWE)

Affected products

Adobe acrobatAdobe acrobat readerApple mac os xMicrosoft windowsSuse linux enterprise debuginfoOpensuse opensuseSuse linux enterprise
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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-04-21. Always verify against the vendor advisory before acting.

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