How severe is CVE-1999-0855?

CVE-1999-0855 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-0855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0855?

CVE-1999-0855 affects Freebsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-0855 published?

CVE-1999-0855 was published on 1999-12-01 and last updated on 2026-06-16.

CVE-1999-0855

CVE-1999-0855 is a high-severity vulnerability in Freebsd with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Freebsd
Published: 1999-12-01
Last modified: 2026-06-16

Description

Buffer overflow in FreeBSD gdc program.

Frequently asked questions

What is CVE-1999-0855?: Buffer overflow in FreeBSD gdc program.
How severe is CVE-1999-0855?: CVE-1999-0855 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0855?: CVE-1999-0855 affects Freebsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0855 published?: CVE-1999-0855 was published on 1999-12-01 and last updated on 2026-06-16.

References

http://www.securityfocus.com/bid/834

Affected products (1)

cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:*

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