How severe is CVE-1999-0223?

CVE-1999-0223 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-1999-0223 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-1999-0223?

CVE-1999-0223 affects Sun Sunos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0223?

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

When was CVE-1999-0223 published?

CVE-1999-0223 was published on 1999-03-01 and last updated on 2026-06-16.

CVE-1999-0223

CVE-1999-0223 is a low-severity vulnerability in Sun Sunos with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Sunos
Published: 1999-03-01
Last modified: 2026-06-16

Description

Solaris syslogd crashes when receiving a message from a host that doesn't have an inverse DNS entry.

Frequently asked questions

What is CVE-1999-0223?: Solaris syslogd crashes when receiving a message from a host that doesn't have an inverse DNS entry.
How severe is CVE-1999-0223?: CVE-1999-0223 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-1999-0223 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-1999-0223?: CVE-1999-0223 affects Sun Sunos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0223 published?: CVE-1999-0223 was published on 1999-03-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*

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