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.

Published: 2002-10-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0906 is rated Moderate Risk (60.4/100): CVSS High severity, with high exploitation likelihood (EPSS 4.41%, 90th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-0906

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 5.52% 4.41% -1.11%
2 2026-01-23 2.97% 5.52% +2.55%
3 2025-03-30 — 2.97% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0906

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-0906

OS Trackers for CVE-2002-0906

vendor priority summary link
debian not yet assigned CVE-2002-0906 not yet assigned priority: Debian including 1 source packages (sendmail), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2002-0906

Affected software / configurations for CVE-2002-0906

Vendor Product Version Raw CPE
sendmail sendmail 8.12.0 cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:*
sendmail sendmail 8.12.1 cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:*
sendmail sendmail 8.12.3 cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:*
sendmail sendmail 8.12.4 cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:*

References for CVE-2002-0906

cvelogic Threat Intelligence