CVE-2026-59969: Improper Validation of Certificate with Host Mismatch

Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are enabled, the Java SSLSocket quorum path accepts a CA-trusted pe...

CVE-2026-35563

The CVE-2026-35563 concerns the Apache Directory LDAP API LDAP client (v2.1.7) failing to verify that the server certificate matches the intended LDAP hostname. Root cause: incomplete TLS server identity verification. Impact: potential server impersonation and complete connection compromise over ...

Security Bulletin: Multiple Vulnerabilities affects IBM Data Studio Client 4.2.0

Summary Security Fix of multiple Vulnerabilities of IBM Data Studio Client 4.2.0 Vulnerability Details CVEID:CVE-2021-2163 DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, high...

PT-2023-19687 · Dell · Dell Networker

Name of the Vulnerable Software and Affected Versions: Dell NetWorker affected versions not specified Description: The issue is related to an Improper Validation of Certificate with Host Mismatch vulnerability in the Rabbitmq port. This could disallow replacing CA signed certificates...

log4j: improper validation of certificate with host mismatch in SMTP appender

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1...

AZL-7291 CVE-2011-1429 affecting package mutt 2.2.12-1

Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a different vulnerability than CVE-2009-3766...