peter bassill · operator
$ cve CVE-2009-3459 JSON

CVE-2009-3459 KEV EXPLOIT

8.8
HIGH · CVSS 3.1 · EPSS 86.6% (pctl 100)

Patch first

On CISA KEV — known exploited in the wild, due 2026-06-03.

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.

Scoring

CVSS8.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS86.58% — more likely to be exploited than 100% of all CVEs
WeaknessCWE-119
On CISA KEVyes — remediate by 2026-06-03
Public exploityes
Published2009-10-13
Last modified2026-06-16

CISA KEV

NameAdobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
Added2026-05-20
Due2026-06-03
Vendor / productAdobe / Acrobat and Reader
Ransomware usenone reported

Affected (2)

VendorProduct
adobeacrobat
adobeacrobat reader

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD