CVEs / CVE-2009-4324

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

Known exploited in the CISA KEV catalog since 8 Jun 2022
high 7.8 CVSS 3.1 (NVD)
EPSS 81.8% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 16 Jun 2026

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Summary

Use-after-free vulnerability in Adobe Acrobat and Reader allows remote attackers to execute code via a crafted PDF file.
CISA, Known Exploited Vulnerabilities catalog

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.
The CVE record, via NVD · published 15 Dec 2009 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a n/a	n/a	—

Exploitation

In CISA KEV since	8 Jun 2022
Due date for US federal agencies	22 Jun 2022
Used in ransomware campaigns	Unknown
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	7.8 high `CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-416

References

CVE-2009-4324 on NVD
CVE-2009-4324 in the CISA KEV catalog
http://blogs.adobe.com/psirt/2009/12/new_adobe_reader_and_acrobat_v.html Broken Link, Vendor Advisory
http://contagiodump.blogspot.com/2009/12/virustotal-httpwww.html Exploit, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html Mailing List, Third Party Advisory
http://osvdb.org/60980 Broken Link
http://secunia.com/advisories/37690 Broken Link, Vendor Advisory
http://secunia.com/advisories/38138 Broken Link, Vendor Advisory
http://secunia.com/advisories/38215 Broken Link, Vendor Advisory
http://www.adobe.com/support/security/advisories/apsa09-07.html Vendor Advisory
http://www.adobe.com/support/security/bulletins/apsb10-02.html Not Applicable
http://www.kb.cert.org/vuls/id/508357 Third Party Advisory, US Government Resource
http://www.metasploit.com/redmine/projects/framework/repository/revisions/7881/entry/modules/exploits/windows/fileformat/adobe_media_newplayer.rb Broken Link
http://www.redhat.com/support/errata/RHSA-2010-0060.html Broken Link
http://www.securityfocus.com/bid/37331 Broken Link, Third Party Advisory, VDB Entry
http://www.shadowserver.org/wiki/pmwiki.php/Calendar/20091214 Broken Link
http://www.symantec.com/connect/blogs/zero-day-xmas-present Broken Link
http://www.us-cert.gov/cas/techalerts/TA10-013A.html Third Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2009/3518 Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2010/0103 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=547799 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/54747 Third Party Advisory, VDB Entry

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.