HOMEVULNERABILITIESCVE-2009-3658
HIGHPOC

CVE-2009-3658

CWE-416Published: October 9, 2009· Updated: Jun 16, 2026

8.8
CVSS v3.1

Official Description

Use-after-free vulnerability in the Sb.SuperBuddy.1 ActiveX control (sb.dll) in America Online (AOL) 9.5.0.1 allows remote attackers to trigger memory corruption or possibly execute arbitrary code via a malformed argument to the SetSuperBuddy method.

NVD Source

Technical Analysis

CVE-2009-3658 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2009-3658. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

aol1 product(s)
superbuddy activex control
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (14)

Quick Facts

CVE IDCVE-2009-3658
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-416
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedOct 9, 2009

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-3658 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.