CVE-2009-3459
HIGH severity · CVSS 8.8 · Memory corruption · actively exploited (CISA KEV)
8.8CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2026-05-20. US federal agencies must patch by 2026-06-03.
Summary
Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained from third party information.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)86%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: http://www.adobe.com/support/security/bulletins/apsb09-15.html ↗
Additional information
- NVD record
- http://www.adobe.com/support/security/bulletins/apsb09-15.htmlPatch
- http://blogs.adobe.com/psirt/2009/10/adobe_reader_and_acrobat_issue_1.htmlAdvisory
- http://secunia.com/advisories/36983Advisory
- http://isc.sans.org/diary.html?storyid=7300
- http://securitytracker.com/id?1023007
- http://www.iss.net/threats/348.html
- http://www.securityfocus.com/bid/36600
- http://www.us-cert.gov/cas/techalerts/TA09-286B.html