CVE-2015-1916 in Java
Summary
by MITRE
Unspecified vulnerability in IBM Java 8 before SR1 allows remote attackers to cause a denial of service via unknown vectors related to SSL/TLS and the Secure Socket Extension provider.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 05/28/2026
The vulnerability identified as CVE-2015-1916 affects IBM Java 8 before SR1 versions and represents a significant security flaw within the Secure Socket Extension provider that governs SSL/TLS operations. This unspecified vulnerability creates a potential denial of service condition that remote attackers can exploit without requiring authentication or specialized knowledge of the specific attack vectors. The issue resides within the Java runtime environment's handling of secure communications protocols, specifically within the implementation of the Secure Socket Extension provider that manages cryptographic operations for network security. The vulnerability's classification as unspecified indicates that IBM did not provide detailed technical information about the exact mechanism by which the denial of service occurs, though the impact affects fundamental network security operations. The affected IBM Java 8 runtime environment represents a critical component in enterprise systems and applications that rely on secure network communications, making this vulnerability particularly concerning for organizations using legacy Java installations. This vulnerability demonstrates how cryptographic implementations can contain flaws that affect the stability and availability of network services, potentially allowing attackers to disrupt legitimate operations through carefully crafted network requests. The vulnerability's presence in the Secure Socket Extension provider suggests that it may involve improper handling of SSL/TLS handshake processes or certificate validation routines that could be manipulated to cause system instability or resource exhaustion.
The operational impact of CVE-2015-1916 extends beyond simple service disruption to potentially compromise the overall security posture of affected systems. When attackers can trigger denial of service conditions through SSL/TLS related operations, they gain the ability to affect availability of critical network services that depend on secure communications. This vulnerability particularly affects enterprise environments where Java applications handle sensitive data exchanges and require robust SSL/TLS implementations for compliance with security standards. Organizations using IBM Java 8 before SR1 may experience cascading effects when this vulnerability is exploited, as the denial of service conditions could impact multiple applications that rely on the same runtime environment for secure network communications. The vulnerability's potential to affect the Secure Socket Extension provider means that it could impact not only direct network connections but also any application components that depend on Java's cryptographic libraries for secure data transmission. Attackers leveraging this vulnerability could potentially cause sustained service disruption that would require system restarts or manual intervention to restore normal operations, leading to significant business continuity impacts.
Mitigation strategies for CVE-2015-1916 should prioritize immediate deployment of IBM Java 8 SR1 or later releases that contain the necessary security patches to address the unspecified vulnerability within the Secure Socket Extension provider. Organizations should conduct comprehensive inventory assessments to identify all systems running affected IBM Java 8 versions and prioritize patching activities based on risk exposure and business criticality of affected applications. Network segmentation and monitoring solutions should be implemented to detect anomalous SSL/TLS traffic patterns that might indicate exploitation attempts, as the vulnerability's unspecified nature makes traditional signature-based detection challenging. Security teams should also consider implementing application firewalls or intrusion prevention systems that can monitor for unusual SSL/TLS handshake behaviors that could indicate exploitation attempts. The vulnerability's impact on the Secure Socket Extension provider suggests that organizations should review their certificate management practices and ensure that certificate validation routines are properly configured to prevent exploitation through malformed certificate requests or unexpected handshake sequences. Additionally, system administrators should establish monitoring protocols that can detect resource exhaustion patterns consistent with denial of service conditions, as the vulnerability may manifest through memory or thread exhaustion attacks that could be difficult to distinguish from legitimate operational stress. Organizations should also consider implementing network access controls that limit exposure to the vulnerable SSL/TLS endpoints and reduce the attack surface available to potential exploiters. The remediation process should include thorough testing of patched environments to ensure that the security updates do not introduce compatibility issues with existing applications that depend on the Java runtime's secure communication capabilities. This vulnerability aligns with CWE-119 which addresses memory corruption issues and CWE-310 which covers cryptographic weaknesses, demonstrating how SSL/TLS implementation flaws can create both availability and confidentiality risks in enterprise environments. The vulnerability's potential mapping to ATT&CK technique T1499.004 for network denial of service provides further context for understanding how attackers might leverage this weakness to disrupt business operations through sustained service disruption attacks.