CVE-2009-3459

high

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/53691

https://www.securityweek.com/microsoft-patches-exploited-undefend-and-redsun-defender-zero-days/

https://thehackernews.com/2026/05/microsoft-warns-of-two-actively.html

https://securityaffairs.com/192508/security/u-s-cisa-adds-microsoft-and-adobe-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2026/05/20/cisa-adds-seven-known-exploited-vulnerabilities-catalog

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3459

http://www.vupen.com/english/advisories/2009/2898

http://www.vupen.com/english/advisories/2009/2851

http://www.us-cert.gov/cas/techalerts/TA09-286B.html

http://www.adobe.com/support/security/bulletins/apsb09-15.html

http://secunia.com/advisories/36983

http://isc.sans.org/diary.html?storyid=7300

Details

Source: Mitre, NVD

Published: 2009-10-13

Updated: 2026-05-21

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.88073