How severe is CVE-2009-3937?

CVE-2009-3937 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2009-3937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3937?

CVE-2009-3937 primarily affects Sun Opensolaris. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3937?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-3937 published?

CVE-2009-3937 was published on 2009-11-13 and last updated on 2026-06-16.

CVE-2009-3937

CVE-2009-3937 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Sun Opensolaris
Published: 2009-11-13
Last modified: 2026-06-16

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."

Frequently asked questions

What is CVE-2009-3937?: 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."
How severe is CVE-2009-3937?: CVE-2009-3937 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-3937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3937?: CVE-2009-3937 primarily affects Sun Opensolaris. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3937 published?: CVE-2009-3937 was published on 2009-11-13 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:o:sun:opensolaris:snv_106:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_107:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_108:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_109:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_110:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_111:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_112:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_113:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_114:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_115:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_116:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_117:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_118:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_119:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_120:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_121:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_122:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_123:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_124:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_125:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_126:*:*:*:*:*:*:*

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