https://www.sentinelone.com/vulnerability-database/cve-2026-21999/
CVE-2026-21999: Oracle Database XML Information Disclosure
CVE-2026-21999 is an information disclosure vulnerability in Oracle Database XML component. Learn about its impact, affected versions, and mitigation methods.
oracle databasecve202621999xml
https://www.suse.com/pt-br/security/cve/CVE-2023-21999.html
CVE-2023-21999 Common Vulnerabilities and Exposures | SUSE
Secure your Linux systems from CVE-2023-21999. Stay ahead of potential threats with the latest security updates from SUSE.
cve202321999commonvulnerabilities
https://ubuntu.com/security/CVE-2025-21999
CVE-2025-21999 | Ubuntu
Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
cve202521999ubuntu