========================================================================== Ubuntu Security Notice USN-7672-1 July 28, 2025
openjdk-17-crac vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.04 Summary: Several security issues were fixed in CRaC JDK 17. Software Description: - openjdk-17-crac: Open Source Java implementation with Coordinated Restore at Checkpoints Details: It was discovered that the 2D component of CRaC JDK 17 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-30749, CVE-2025-50106) VMashroor Hasan Bhuiyan discovered that the JSSE component of CRaC JDK 17 did not properly manage TLS 1.3 handshakes under certain circumstances. An attacker could possibly use this issue to obtain sensitive information. (CVE-2025-30754) Martin van Wingerden and Violeta Georgieva of Broadcom discovered that the Networking component of CRaC JDK 17 did not properly manage network connections under certain circumstances. An attacker could possibly use this issue to obtain sensitive information. (CVE-2025-50059) 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/2025-07-15 Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.04 openjdk-17-crac-jdk 17.0.16+8-0ubuntu2~25.04 openjdk-17-crac-jdk-headless 17.0.16+8-0ubuntu2~25.04 openjdk-17-crac-jre 17.0.16+8-0ubuntu2~25.04 openjdk-17-crac-jre-headless 17.0.16+8-0ubuntu2~25.04 openjdk-17-crac-jre-zero 17.0.16+8-0ubuntu2~25.04 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-7672-1 CVE-2025-30749, CVE-2025-30754, CVE-2025-50059, CVE-2025-50106 Package Information: https://launchpad.net/ubuntu/+source/openjdk-17-crac/17.0.16+8-0ubuntu2~25.04
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