How severe is CVE-1999-0747?

CVE-1999-0747 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-1999-0747 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-1999-0747?

CVE-1999-0747 affects Bsdi Bsd Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0747?

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

When was CVE-1999-0747 published?

CVE-1999-0747 was published on 1999-08-18 and last updated on 2026-06-16.

CVE-1999-0747

CVE-1999-0747 is a low-severity vulnerability in Bsdi Bsd Os 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: Bsdi Bsd Os
Published: 1999-08-18
Last modified: 2026-06-16

Description

Denial of service in BSDi Symmetric Multiprocessing (SMP) when an fstat call is made when the system has a high CPU load.

Frequently asked questions

What is CVE-1999-0747?: Denial of service in BSDi Symmetric Multiprocessing (SMP) when an fstat call is made when the system has a high CPU load.
How severe is CVE-1999-0747?: CVE-1999-0747 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-1999-0747 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-1999-0747?: CVE-1999-0747 affects Bsdi Bsd Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0747 published?: CVE-1999-0747 was published on 1999-08-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:bsdi:bsd_os:4.0.1:*:*:*:*:*:*:*

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