CVE-2026-21939: Oracle Database Server (January 2026 CPU)

Severity: Critical

CVSS Score: 9.2

The versions of Oracle Database Server installed on the remote host are affected by multiple vulnerabilities as referenced in the January 2026 CPU advisory. - Vulnerability in the Oracle Spatial and Graph (OpenJPEG) component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Easily exploitable vulnerability allows low privileged attacker having None privilege with logon to the infrastructure where Oracle Spatial and Graph (OpenJPEG) executes to compromise Oracle Spatial and Graph (OpenJPEG). Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Spatial and Graph (OpenJPEG). (CVE-2025-54874) - Vulnerability in the Fleet Patching and Provisioning (Eclipse Jersey) component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Fleet Patching and Provisioning (Eclipse Jersey). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Fleet Patching and Provisioning (Eclipse Jersey) accessible data as well as unauthorized access to critical data or complete access to all Fleet Patching and Provisioning (Eclipse Jersey) accessible data. (CVE-2025-12383) - Vulnerability in the SQLcl component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where SQLcl executes to compromise SQLcl. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of SQLcl. (CVE-2026-21939) - Vulnerability in the RDBMS (Python) component of Oracle Database Server. Supported versions that are affected are 21.3-21.20 and 23.4.0-23.26.0. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with logon to the infrastructure where RDBMS (Python) executes to compromise RDBMS (Python). Successful attacks of this vulnerability can result in takeover of RDBMS (Python). (CVE-2025-13836, CVE-2025-13837, CVE-2025-6069, CVE-2025-6075, CVE-2025-8194, CVE-2025-8291, CVE-2025-8869) - Vulnerability in the Oracle Graal Development Kit for Micronaut (Nimbus JOSE+JWT) component of Oracle Database Server. Supported versions that are affected are 19.3-19.29 and 23.4.0-23.26.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Graal Development Kit for Micronaut (Nimbus JOSE+JWT). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Graal Development Kit for Micronaut (Nimbus JOSE+JWT) accessible data as well as unauthorized read access to a subset of Oracle Graal Development Kit for Micronaut (Nimbus JOSE+JWT) accessible data. (CVE-2025-67735) Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.