# CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

- Exploited (CISA KEV): yes, added 2026-05-20
- Published: 2009-10-13
- CVSS: 8.8 HIGH (v3.1)
- EPSS: 86.6% (100th percentile)
- CWE: CWE-119

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2009-3459 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2009-3459