Stay Secure with the Latest Linux Advisories

security advisoryinformation leakUbuntu

Ubuntu 25.10: CRaC JDK 25 Important XML External Entity Advisory 2025-53066

Several security issues were fixed in CRaC JDK 25.. ========================================================================== Ubuntu Security Notice USN-7902-1 December 01, 2025 openjdk-25-crac vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 Summary: Several security issues were fixed in CRaC JDK 25. Software Description: - openjdk-25-crac: Open Source Java implementation with Coordinated Restore at Checkpoints Details: Jinfeng Guo discovered that the Security component of CRaC JDK 25 did not correctly handle certain representations of encoded strings. An unauthenticated remote attacker could possibly use this issue to modify files or leak sensitive information. (CVE-2025-53057) Darius Bohni discovered that the JAXP component of CRaC JDK 25 was vulnerable to a XML External Entity (XEE) attack. An unauthenticated remote attacker could possibly use this issue to modify files or leak sensitive information. (CVE-2025-53066) Yakov Shafranovich discovered that the Libraries component of CRaC JDK 25 contained an issue where certain Strings built with StringBuilder returned an incorrect result for String.equals() checks. An unauthenticated remote attacker could possibly use this issue to update, insert, or delete accessible data. (CVE-2025-61748) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2025-10-21 Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 openjdk-25-crac-jdk 25.0.1+8-0ubuntu1~25.10 openjdk-25-crac-jdk-headless 25.0.1+8-0ubuntu1~25.10 openjdk-25-crac-jre 25.0.1+8-0ubuntu1~25.10 openjdk-25-crac-jre-headless 25.0.1+8-0ubuntu1~25.10 openjdk-25-crac-jre-zero 25.0.1+8-0ubuntu1~25.10 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart Java applications to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7902-1 CVE-2025-53057, CVE-2025-53066, CVE-2025-61748 Package Information: https://launchpad.net/ubuntu/+source/openjdk-25-crac/25.0.1+8-0ubuntu1~25.10 . Ubuntu 25.10 updates fix multiple security issues in CRaC JDK 25 impacting sensitive data and system integrity.. Ubuntu security, CRaC JDK vulnerabilities, OpenJDK updates. . Severity: Important. LinuxSecurity.com Team

Dec 02, 2025 •Important Ubuntu