How severe is CVE-2009-2187?

CVE-2009-2187 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2009-2187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2187?

CVE-2009-2187 primarily affects Sun Opensolaris. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2187?

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

When was CVE-2009-2187 published?

CVE-2009-2187 was published on 2009-06-25 and last updated on 2026-06-16.

CVE-2009-2187

CVE-2009-2187 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% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Sun Opensolaris
Published: 2009-06-25
Last modified: 2026-06-16

Description

Multiple memory leaks in the (1) IP and (2) IPv6 multicast implementation in the kernel in Sun Solaris 10, and OpenSolaris snv_67 through snv_93, allow local users to cause a denial of service (memory consumption) via vectors related to the association of (a) DL_ENABMULTI_REQ and (b) DL_DISABMULTI_REQ messages with ARP messages.

Frequently asked questions

What is CVE-2009-2187?: Multiple memory leaks in the (1) IP and (2) IPv6 multicast implementation in the kernel in Sun Solaris 10, and OpenSolaris snv_67 through snv_93, allow local users to cause a denial of service (memory consumption) via vectors related to the association of (a) DL_ENABMULTI_REQ and (b) DL_DISABMULTI_REQ messages with ARP messages.
How severe is CVE-2009-2187?: CVE-2009-2187 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-2187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2187?: CVE-2009-2187 primarily affects Sun Opensolaris. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2187 published?: CVE-2009-2187 was published on 2009-06-25 and last updated on 2026-06-16.

References

Affected products (56)

cpe:2.3:o:sun:opensolaris:snv_67:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_68:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_69:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_70:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_71:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_72:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_73:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_74:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_75:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_76:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_77:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_78:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_79:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_80:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_81:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_82:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_83:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_84:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_85:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_86:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_87:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_88:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_89:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_90:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_91:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_92:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_93:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:solaris:10.0:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_67:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_68:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_69:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_70:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_71:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_72:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_73:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_74:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_75:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_76:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_77:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_78:*:x86:*:*:*:*:*

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