CISA KEV · Known exploitedHigh

CVE-2009-4324

Adobe Acrobat and Reader

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
7.8
EPSS
81.8%
99.6% percentile
CISA KEV
Listed
Published
2009.12.15
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability81.8%
Technical severityCVSS 7.8

Vulnerability overview

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.

Affected product and versions

Product
Adobe Acrobat and Reader
Affected versions
>= 8.0 < 8.2, >= 9.0 < 9.3, 11, 11.1, 11.2, 10.0
Fixed versions
8.2, 9.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.06.22
  1. 1
    Identify

    Confirm that Adobe Acrobat and Reader and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-399, CWE-416
KEV added
2022.06.08
Ransomware use
미확인
CVE-2009-4324 — Adobe Acrobat and Reader | SECUFOCUS NOW