JRuby-OpenSSL has hostname verification disabled by default

JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. Starting in JRuby-OpenSSL version 0.12.1 and prior to version 0.15.4 corresponding to JRuby versions starting in 9.3.4.0 prior to 9.4.12.1 and 10.0.0.0 prior to 10.0.0.1, when verifying SSL certificates,...

CVE-2025-37730

CVE-2025-37730 concerns improper certificate validation in Logstash’s TCP output, enabling MitM in “client” mode due to hostname verification not occurring when ssl_verification_mode is set to full. Affected component is the Logstash TCP output plugin (logstash-output-tcp). The root cause is lack...

CVE-2025-37730 Logstash Improper Certificate Validation in TCP output

Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle MitM attack in “client” mode, as hostname verification in TCP output was not being performed when the sslverificationmode = full was set...

CVE-2025-37730 Logstash Improper Certificate Validation in TCP output

Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle MitM attack in “client” mode, as hostname verification in TCP output was not being performed when the sslverificationmode = full was set...

Keycloak hostname verification

A flaw was found in Keycloak. By setting a verification policy to 'ANY', the trust store certificate verification is skipped, which is unintended...

GHSA-HW58-3793-42GG Keycloak hostname verification

A flaw was found in Keycloak. By setting a verification policy to 'ANY', the trust store certificate verification is skipped, which is unintended...

org.keycloak.protocol.services: Keycloak hostname verification

A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended...

Duplicate Advisory: Keycloak hostname verification

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hw58-3793-42gg. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is...

CVE-2025-3501 Org.keycloak.protocol.services: keycloak hostname verification

A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended...

CVE-2025-3501 Org.keycloak.protocol.services: keycloak hostname verification

A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended...

SUSE CVE-2012-6153

http/conn/ssl/AbstractVerifier.java in Apache Commons HttpClient before 4.2.3 does not properly 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...

CVE-2025-27809

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslsethostname...

DEBIAN-CVE-2025-27809

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslsethostname...

CVE-2025-27809

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslsethostname...

CVE-2025-27809

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslsethostname...

kroxylicious: Missing upstream Kafka TLS hostname verification

A flaw was found in Kroxylicious. When establishing the connection with the upstream Kafka server using a TLS secured connection, Kroxylicious fails to properly verify the server's hostname, resulting in an insecure connection. For a successful attack to be performed, the attacker needs to perfor...

Improper Hostname Verification

io.kroxylicious, kroxylicious-runtime is vulnerable to Improper Hostname Verification. The vulnerability is due to Kroxylicious failing to properly verify the server's hostname during a TLS connection, which allows an attacker to intercept or manipulate communications...

CVE-2024-8285

A flaw was found in Kroxylicious. When establishing the connection with the upstream Kafka server using a TLS secured connection, Kroxylicious fails to properly verify the server's hostname, resulting in an insecure connection. For a successful attack to be performed, the attacker needs to perfor...

CVE-2024-8285

A flaw was found in Kroxylicious. When establishing the connection with the upstream Kafka server using a TLS secured connection, Kroxylicious fails to properly verify the server's hostname, resulting in an insecure connection. For a successful attack to be performed, the attacker needs to perfor...

CVE-2024-8285 Kroxylicious: missing upstream kafka tls hostname verification

A flaw was found in Kroxylicious. When establishing the connection with the upstream Kafka server using a TLS secured connection, Kroxylicious fails to properly verify the server's hostname, resulting in an insecure connection. For a successful attack to be performed, the attacker needs to perfor...