How severe is CVE-2009-2387?

CVE-2009-2387 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2009-2387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2387?

CVE-2009-2387 primarily affects Sun Opensolaris. In total, 55 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2387?

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

When was CVE-2009-2387 published?

CVE-2009-2387 was published on 2009-07-09 and last updated on 2026-06-16.

CVE-2009-2387

CVE-2009-2387 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.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Opensolaris
Published: 2009-07-09
Last modified: 2026-06-16

Description

Unspecified vulnerability in the proc filesystem in Sun OpenSolaris snv_49 through snv_109 allows local users to cause a denial of service (deadlock and panic) via unknown vectors, related to the ldt_rewrite_syscall function.

Frequently asked questions

What is CVE-2009-2387?: Unspecified vulnerability in the proc filesystem in Sun OpenSolaris snv_49 through snv_109 allows local users to cause a denial of service (deadlock and panic) via unknown vectors, related to the ldt_rewrite_syscall function.
How severe is CVE-2009-2387?: CVE-2009-2387 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-2387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2387?: CVE-2009-2387 primarily affects Sun Opensolaris. In total, 55 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2387 published?: CVE-2009-2387 was published on 2009-07-09 and last updated on 2026-06-16.

References

Affected products (55)

cpe:2.3:o:sun:opensolaris:snv_49:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_50:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_51:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_52:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_53:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_55:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_56:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_57:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_58:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_59:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_60:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_61:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_62:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_63:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_64:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_65:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_66:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_67:*: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_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_76:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_77:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_79:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_80:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_81:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_82:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_83:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_84:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_85:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_86:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_87:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_88:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_89:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_90:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_91:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_92:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_93:*:x86:*:*:*:*:*

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