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CVE Database›CVE-2015-1855

CVE-2015-1855

ruby: OpenSSL extension hostname matching implementation violates RFC 6125

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Severity

Moderate

Red Hat Product Security

4

CVSS 2.0

Review impact separately from score.

Published · March 30, 2015

Updated · June 27, 2026

Description

It was discovered that the Ruby OpenSSL extension was overly permissive when verifying host names against X.509 certificate names with wildcards. This could cause Ruby TLS/SSL clients to accept certain certificates as valid, which is a violation of the RFC 6125 recommendations.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4
AV:N/AC:H/Au:N/C:P/I:P/A:N

CWE-297 · Improper Validation of Certificate with Host Mismatch