CVE-2010-1194

CVE-2010-1194 is a medium-severity vulnerability in Stafford.uklinux Libesmtp with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Description

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.

Frequently asked questions

What is CVE-2010-1194?
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.
How severe is CVE-2010-1194?
CVE-2010-1194 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2010-1194 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1194?
CVE-2010-1194 primarily affects Stafford.uklinux Libesmtp. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1194?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1194 published?
CVE-2010-1194 was published on 2010-03-31 and last updated on 2026-06-16.

References

Affected products (32)

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