# CVE-2009-4324: Adobe Acrobat and Reader Use-After-Free Vulnerability

> CVE-2009-4324: Adobe Acrobat and Reader Use-After-Free Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2009-4324
Last updated: 2025-10-22T00:05:53Z

- Published: 2009-12-15 02:00 UTC · Updated: 2025-10-22 00:05 UTC · Assigner: adobe
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 81.9%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-06-08, federal due date 2022-06-22, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Adobe: Acrobat and Reader

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2009-4324)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2009-4324)
- [http://blogs.adobe.com/psirt/2009/12/new\_adobe\_reader\_and\_acrobat\_v.html](http://blogs.adobe.com/psirt/2009/12/new_adobe_reader_and_acrobat_v.html)
- [http://contagiodump.blogspot.com/2009/12/virustotal-httpwww.html](http://contagiodump.blogspot.com/2009/12/virustotal-httpwww.html)
- [http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html](http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html)
- [http://osvdb.org/60980](http://osvdb.org/60980)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=547799](https://bugzilla.redhat.com/show_bug.cgi?id=547799)
- [http://secunia.com/advisories/37690](http://secunia.com/advisories/37690)
- [http://secunia.com/advisories/38138](http://secunia.com/advisories/38138)
- [http://secunia.com/advisories/38215](http://secunia.com/advisories/38215)
- [https://exchange.xforce.ibmcloud.com/vulnerabilities/54747](https://exchange.xforce.ibmcloud.com/vulnerabilities/54747)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6795](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A6795)
- [http://www.adobe.com/support/security/advisories/apsa09-07.html](http://www.adobe.com/support/security/advisories/apsa09-07.html)
- [http://www.adobe.com/support/security/bulletins/apsb10-02.html](http://www.adobe.com/support/security/bulletins/apsb10-02.html)
- [http://www.kb.cert.org/vuls/id/508357](http://www.kb.cert.org/vuls/id/508357)
- [http://www.metasploit.com/redmine/projects/framework/repository/revisions/7881/entry/modules/exploits/windows/fileformat/adobe\_media\_newplayer.rb](http://www.metasploit.com/redmine/projects/framework/repository/revisions/7881/entry/modules/exploits/windows/fileformat/adobe_media_newplayer.rb)
- [http://www.redhat.com/support/errata/RHSA-2010-0060.html](http://www.redhat.com/support/errata/RHSA-2010-0060.html)
- [http://www.securityfocus.com/bid/37331](http://www.securityfocus.com/bid/37331)
- [http://www.shadowserver.org/wiki/pmwiki.php/Calendar/20091214](http://www.shadowserver.org/wiki/pmwiki.php/Calendar/20091214)
- [http://www.symantec.com/connect/blogs/zero-day-xmas-present](http://www.symantec.com/connect/blogs/zero-day-xmas-present)
- [http://www.us-cert.gov/cas/techalerts/TA10-013A.html](http://www.us-cert.gov/cas/techalerts/TA10-013A.html)
- [http://www.vupen.com/english/advisories/2009/3518](http://www.vupen.com/english/advisories/2009/3518)
- [http://www.vupen.com/english/advisories/2010/0103](http://www.vupen.com/english/advisories/2010/0103)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2009-4324 · Markdown: https://rewindex.com/cve/CVE-2009-4324.md · JSON: https://rewindex.com/api/v1/cves/CVE-2009-4324 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:28.781Z