Vulnerabilities | Java 7 Update 80

Java 7 Update 80 (7u80) is the final public release for Java 7 and is significantly outdated, having been superseded by newer updates exclusively available to paid Oracle Java SE Support subscribers. Running this version on modern systems presents severe security risks. Vulnerability Status: Java 7u80 Final Public Patch : Released in April 2015, this version contains fixes for vulnerabilities known up to that date but lacks nearly a decade of subsequent critical security patches. Security Expiration : Oracle explicitly designed this JRE to "expire" shortly after its release (July/August 2015) to warn users that newer security vulnerability fixes were available in later versions. Modern Risks : Remote Code Execution (RCE) : Older Java 7 plug-ins are highly susceptible to exploits that allow attackers to run malicious code remotely. Unpatched Flaws : Since public updates ended in 2022, any CVEs discovered after that date (e.g., CVE-2020-2781) remain unpatched in the public 7u80 build. Guide: Securing Your Environment If you are currently running Java 7u80, follow these steps to secure your system. 1. Immediate Assessment Identify why you are using Java 7. If it is for a legacy web application (applet) or a specific piece of software like Banner , check if that vendor has an updated path. 2. Uninstall or Disable Java 7 The US-CERT and DHS recommend uninstalling Java 7 unless it is strictly required for your job. For Windows : Go to Control Panel > Programs and Features and uninstall all Java 7 entries. For Browsers : Disable the Java plug-in in your browser settings immediately to prevent web-based attacks. 3. Upgrade to a Supported Version If your application can run on a newer version, upgrade to a Long-Term Support (LTS) release: Java SE 7 Advanced - Oracle

Java 7 Update 80 (7u80) is the final public release for Java SE 7, which reached end-of-life in 2015 and is considered highly insecure due to accumulated, unpatched vulnerabilities. It is susceptible to Remote Code Execution (RCE) and elevated privilege exploits, and it passed its built-in expiration date on August 14, 2015. For critical security updates and to remediate these risks, it is advised to upgrade to a modern, supported version such as Oracle's Java 17 (LTS) . K17079: Java SE vulnerabilities CVE-2015-2590 and ... - My F5

Java 7 Update 80 (often abbreviated as 7u80 ) is a historically significant release. Released in April 2015, it was the final public release of the Java 7 family before Oracle ended public support for the version. Because Java 7 is End of Life (EOL) , it no longer receives security updates. Any system running 7u80 is vulnerable to dozens of critical security flaws discovered after April 2015. Here is a detailed breakdown of the vulnerabilities associated with Java 7 Update 80.

1. Status: End of Life (The "Zero-Day" Risk) The most critical vulnerability regarding Java 7u80 is its age. Oracle ceased public updates for Java 7 in April 2015. java 7 update 80 vulnerabilities

The Risk: Any security flaw discovered in Java after April 2015 affects 7u80 and will never be patched . Current State: Security databases (such as the National Vulnerability Database - NVD) list hundreds of vulnerabilities for Java 7. Any vulnerability affecting Java 8 (versions released before January 2019) or Java 11 likely has a corresponding unpatched vector in Java 7u80.

2. Vulnerabilities Patched in 7u80 When 7u80 was released on April 14, 2015 , it addressed a specific set of vulnerabilities. If you are running a version older than 7u80 (e.g., 7u79 or 7u75), you are vulnerable to these specific exploits which were actively used in the wild at the time. The Critical Patch Update (CPU) for April 2015 (which included 7u80) fixed 19 vulnerabilities .

Severity: 17 of these were rated with the highest severity score (CVSS 10.0). Attack Vector: Most of these were related to the Java Sandbox and could be exploited remotely via a web browser (Drive-by Download) without authentication. Java 7 Update 80 (7u80) is the final

Key vulnerabilities patched in 7u80 included:

CVE-2015-0469 (BeanShell): A vulnerability in the BeanShell component allowing an untrusted application to grant itself permissions, effectively breaking out of the Java sandbox. CVE-2015-0458 & CVE-2015-0459 (Deployment): Vulnerabilities in the Java Deployment Toolkit that could allow an attacker to install malicious software. CVE-2015-0460 (Libraries): A logic error in the handling of permissions that allowed a remote attacker to escape the sandbox.

3. Vulnerabilities Present Since 7u80 (Post-EOL) Because Java 7u80 is no longer maintained, it is susceptible to all vulnerabilities discovered in later versions of Java (Java 8, 11, 17, 21) that share the same legacy codebase. Notable post-EOL vulnerabilities that likely affect 7u80 include: Security Expiration : Oracle explicitly designed this JRE

LOG4J (Log4Shell - CVE-2021-44228): While Log4j is a library often bundled with applications rather than the JDK itself, many legacy enterprise applications running on Java 7 utilize vulnerable versions of Log4j. Because Java 7 itself is unsupported, running these applications is "double jeopardy." JNDI Injection Vulnerabilities: Variants of vulnerabilities like CVE-2021-44228 often rely on JNDI/LDAP injection. The underlying JNDI implementation in Java 7u80 is outdated and lacks the mitigations added in newer Java versions (like restricting remote codebase loading by default). Weak Cryptography: Java 7u80 lacks support for modern cryptographic standards required by today's security compliance (e.g., TLS 1.3, modern Cipher Suites). It defaults to older, potentially vulnerable encryption methods.

4. Common Vulnerability Exposure (CVE) Summary According to the NVD, Java 7 (JDK/JRE 7) has over 500 recorded CVEs .