How severe is CVE-2008-5661?

CVE-2008-5661 has a CVSS 2.0 base score of 5.4, rated medium severity.

Is CVE-2008-5661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5661?

CVE-2008-5661 primarily affects Sun Opensolaris. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5661?

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

When was CVE-2008-5661 published?

CVE-2008-5661 was published on 2008-12-17 and last updated on 2026-06-16.

CVE-2008-5661

CVE-2008-5661 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 5.4. 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 5.4)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Sun Opensolaris
Published: 2008-12-17
Last modified: 2026-06-16

Description

The IPv4 Forwarding feature in Sun Solaris 10 and OpenSolaris snv_47 through snv_82, with certain patches installed, allows remote attackers to cause a denial of service (panic) via unknown vectors that trigger a NULL pointer dereference.

Frequently asked questions

What is CVE-2008-5661?: The IPv4 Forwarding feature in Sun Solaris 10 and OpenSolaris snv_47 through snv_82, with certain patches installed, allows remote attackers to cause a denial of service (panic) via unknown vectors that trigger a NULL pointer dereference.
How severe is CVE-2008-5661?: CVE-2008-5661 has a CVSS 2.0 base score of 5.4, rated medium severity.
Is CVE-2008-5661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5661?: CVE-2008-5661 primarily affects Sun Opensolaris. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5661 published?: CVE-2008-5661 was published on 2008-12-17 and last updated on 2026-06-16.

References

Affected products (74)

cpe:2.3:o:sun:opensolaris:snv_47:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_47:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_48:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_48:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_49:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_49:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_50:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_50:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_51:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_51:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_52:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_52:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_53:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_53:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_54:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_54:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_55:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_55:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_56:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_56:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_57:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_57:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_58:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_58:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_59:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_59:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_60:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_60:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_61:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_61:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_62:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_62:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_63:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_63:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_64:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_64:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_65:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_65:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_66:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_66:*:x86:*:*:*:*:*

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