CVE-2002-0906

CVE-2002-0906 is a high-severity vulnerability in Sendmail with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in Sendmail before 8.12.5, when configured to use a custom DNS map to query TXT records, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malicious DNS server.

Frequently asked questions

What is CVE-2002-0906?
Buffer overflow in Sendmail before 8.12.5, when configured to use a custom DNS map to query TXT records, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malicious DNS server.
How severe is CVE-2002-0906?
CVE-2002-0906 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0906 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0906?
CVE-2002-0906 primarily affects Sendmail. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0906?
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-2002-0906 published?
CVE-2002-0906 was published on 2002-10-04 and last updated on 2026-06-16.

References

Affected products (4)

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