Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Apache ZooKeeper

Summary Multiple vulnerabilities in Apache ZooKeeper that is used by InfoSphere Information Server were addressed. Vulnerability Details CVEID:CVE-2026-24281 DESCRIPTION: Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing...

PT-2026-24613

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...

EUVD-2026-10140

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential producti...

DEBIAN-CVE-2026-24308

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential producti...

CVE-2026-24308

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential producti...

CVE-2026-24308

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential producti...

CVE-2026-24308 Apache ZooKeeper: Sensitive information disclosure in client configuration handling

Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential producti...

CVE-2026-24308

CVE-2026-24308 affects Apache ZooKeeper: improper handling of configuration values in ZKConfig can expose sensitive client configuration in logs at INFO level. Affected: ZooKeeper 3.8.5 and 3.9.4 on all platforms. Impact: potential leakage of sensitive config data in production logs. Mitigation: ...

CVE-2026-24281

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...