BIT-PYTHON-MIN-2026-17084 stringprep.map_table_b2() deviates from RFC 3454 Table B.2

The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when processing domain names using IDNA 2003 the "idna" codec and the intable...

PT-2026-43397

Name of the Vulnerable Software and Affected Versions MaxKB versions prior to 2.8.1 Description An issue exists in the OSS file service URL fetch functionality where inconsistent DNS resolution occurs between the validation phase and the actual request execution. This allows for a server-side...

CVE-2025-7395

A certificate verification error in wolfSSL when building with the WOLFSSLSYSCACERTS and WOLFSSLAPPLENATIVECERTVALIDATION options results in the wolfSSL client failing to properly verify the server certificate's domain name, allowing any certificate issued by a trusted CA to be accepted regardles...

SSL: Hostname verification susceptible to MITM attack

It was discovered that the implementation used by the Not Yet Commons SSL project to check that the server hostname matches the domain name in the subject's CN field was flawed. This could be exploited by a man-in-the-middle attacker by spoofing a valid certificate using a specially crafted subje...

async-http-client: missing hostname verification for SSL certificates

It was found that async-http-client did not verify that the server hostname matched the domain name in the subject's Common Name CN or subjectAltName field in X.509 certificates. This could allow a man-in-the-middle attacker to spoof an SSL server if they had a certificate that was valid for any...

async-http-client: missing hostname verification for SSL certificates

It was found that async-http-client did not verify that the server hostname matched the domain name in the subject's Common Name CN or subjectAltName field in X.509 certificates. This could allow a man-in-the-middle attacker to spoof an SSL server if they had a certificate that was valid for any...

DEBIAN-CVE-2013-0289

Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate...

DEBIAN-CVE-2013-4111

The Python client library for Glance python-glanceclient before 0.10.0 does not properly check the preverifyok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate and allows...