How severe is CVE-1999-0250?

CVE-1999-0250 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-0250 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0250?

CVE-1999-0250 affects Dan Bernstein Qmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0250?

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

When was CVE-1999-0250 published?

CVE-1999-0250 was published on 1997-07-01 and last updated on 2026-06-16.

CVE-1999-0250

CVE-1999-0250 is a critical-severity vulnerability in Dan Bernstein Qmail with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dan Bernstein Qmail
Published: 1997-07-01
Last modified: 2026-06-16

Description

Denial of service in Qmail through long SMTP commands.

Frequently asked questions

What is CVE-1999-0250?: Denial of service in Qmail through long SMTP commands.
How severe is CVE-1999-0250?: CVE-1999-0250 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0250 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0250?: CVE-1999-0250 affects Dan Bernstein Qmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0250?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0250 published?: CVE-1999-0250 was published on 1997-07-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:dan_bernstein:qmail:*:*:*:*:*:*:*:*

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