CVE-2010-1194: n/a vulnerability

CVE-2010-1194: The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0....

The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 01:14 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2010-1194 is a legacy libESMTP TLS certificate validation flaw. A malicious server could make a certificate name appear trusted because libESMTP treated partial string matches as equal. Business urgency depends on whether old applications still use libESMTP for SMTP over TLS. Exposure is most likely in legacy systems, embedded products, or applications that still link against libESMTP for outbound SMTP over TLS. The source bundle has incomplete affected-product metadata, so confirm by inventory rather than assuming broad exposure. Prioritize this where legacy mail-sending components process sensitive communications or connect across untrusted networks. If libESMTP is absent, no action is needed beyond recording the assessment. Mitigation focus: Inventory systems and software that use libESMTP.; Check vendor or distribution advisories for CVE-2010-1194 fixes.; Upgrade, replace, or remove unsupported libESMTP deployments..

Prepared: Jun 28, 2026, 02:49 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 31, 2010, 17:35 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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Affected products

Products and packages named in the record

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Weakness

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