CVE-2009-3959

CRITICAL

Integer overflow in the U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a malformed ...

Affects 5 products across 4 vendors.

BCS7.89
CVSS 2.010.0
EPSS11.5%
Percentile96th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-189: CWE-189
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2010. A critical vulnerability affects Adobe systems (CVE-2009-3959). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2010-GLOBAL-084020-C • Model: rule-based-v1 • Confidence: MEDIUM

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2009-3959?
This vulnerability was disclosed in 2010. A critical vulnerability affects Adobe systems (CVE-2009-3959). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2009-3959?
CVE-2009-3959 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 11.5%.
Is CVE-2009-3959 actively exploited?
No confirmed active exploitation of CVE-2009-3959 as of 2026-05-30.
How do I remediate CVE-2009-3959?
Priority: MEDIUM. Advisory: http://www.adobe.com/support/security/bulletins/apsb10-02.html PSIRT: [email protected]
What systems are affected by CVE-2009-3959?
CVE-2009-3959 affects: Adobe, Adobe, Apple, Microsoft, Unix.
Vulnerability Details
CVE IDCVE-2009-3959
BSIDBS-2010-GLOBAL-084020-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2010-01-13
Last Modified2026-04-23
ICS Relevance0%
Weakness (CWE)
CWE-189
SourceNVD
Official Description

Integer overflow in the U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a malformed PDF document.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Integer overflow in the U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a malformed PDF document. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Adobe Acrobat Reader —
Adobe Acrobat —
Apple Mac Os X —
Microsoft Windows —
Unix Unix —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 6044 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashc519afe23aeca0d9d0b6d9445dcb2427e02727a90abf2d9717017f076e3aa6ab7b2375b5ad6b38c707b977d9cf9f40c4d3d64d27344157b3fda62402b152c0c1
Related CVEs affecting Adobe
CVE-2015-5101 10.0 Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.15 ... CVE-2015-6691 10.0 Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 ... CVE-2004-0631 10.0 Buffer overflow in the uudecoding feature for Adobe Acrobat Reader 5.0.5 and ... CVE-2004-1152 10.0 Buffer overflow in the mailListIsPdf function in Adobe Acrobat Reader 5.09 fo... CVE-2004-1153 10.0 Format string vulnerability in Adobe Acrobat Reader 6.0.0 through 6.0.2 allow...
View all Adobe CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Check Your Assets Free →