CVE-2021-35567 Information disclosure in Java SE JDK and JRE

What is CVE-2021-35567?

CVE-2021-35567 is a medium-severity vulnerability in Debian Debian Linux, published on 20 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows low privileged attacker with network access via Kerberos to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Java SE, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N).

Which versions are affected by CVE-2021-35567?

3 open source packages ship an affected version, including java, java-min and jre. It affects 16 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Netapp Active Iq Unified Manager, Netapp E-Series Santricity Os Controller, Netapp E-Series Santricity Storage Manager, Netapp E-Series Santricity Web Services and 10 more.

How do I fix CVE-2021-35567?

Upgrade java to a fixed version for your release line: 1.8.0, 8.0.311, 11.0.13 or 17.0.1.

Is CVE-2021-35567 being exploited?

There is no known exploitation of CVE-2021-35567 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-java-2021-35567, BIT-java-min-2021-35567, BIT-jre-2021-35567, CLEANSTART-2026-DV70377, CLEANSTART-2026-KC55424, DEBIAN-CVE-2021-35567 and 10 more.