Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 494
Alerts This Week
Warning Icon 1 494

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

ubuntu
Calendar Grey December 2, 2025
Dist Ubuntu Esm H88
Ubuntu 25.10 updates fix multiple security issues in CRaC JDK 25 impacting sensitive data and system integrity.
Several security issues were fixed in CRaC JDK 25.

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. ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory information leak Ubuntu important xml external entity crac jdk

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

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7902-1

Topics%20covered

Topics Covered

security advisory information leak Ubuntu important xml external entity crac jdk

Package Information

https://launchpad.net/ubuntu/+source/openjdk-25-crac/25.0.1+8-0ubuntu1~25.10

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.