HOMEVULNERABILITIESCVE-2009-3937
MEDIUM

CVE-2009-3937

CWE-399Published: November 13, 2009· Updated: Jun 16, 2026

4.9
CVSS v3.1

Official Description

Memory leak in Solaris TCP sockets in Sun OpenSolaris snv_106 through snv_126 allows local users to cause a denial of service (kernel memory consumption) via unspecified vectors involving tcp_sendmsg processing "ancillary data."

NVD Source

Technical Analysis

CVE-2009-3937 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected Vendors & Products

sun1 product(s)
opensolaris
Source: NVD CPE · 21 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (10)

Quick Facts

CVE IDCVE-2009-3937
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-399
CISA KEVNo
Affected1 vendor(s)
PublishedNov 13, 2009

Related CVEs (CWE-399)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-3937 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. CVE data is provided under the NVD usage policy.