What is CVE-2009-3791?

CVE-2009-3791 is a high-severity vulnerability in Adobe Flash Media Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2009-12-21.

How severe is CVE-2009-3791?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Adobe Flash Media Server

CVE-2009-3791

Unspecified vulnerability in Adobe Flash Media Server (FMS) before 3.5.3 allows attackers to cause a denial of service (resource exhaustion) via unknown vectors.

Vulnerability class: DoS (Denial of Service)

Published 2009-12-21 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Adobe Flash Media Server — versions 2.0, 2.0.1, 2.0.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

www.adobe.com/support/security/bulletins/apsb09-18.html (Patch, Vendor Advisory)
www.securityfocus.com/bid/37419 (vdb-entry)

Frequently asked questions

What is CVE-2009-3791?: CVE-2009-3791 is a high-severity vulnerability in Adobe Flash Media Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2009-12-21.
How severe is CVE-2009-3791?: High severity. CVSS v3 base score is 7.5 out of 10.