OpenJDK-21-crac-jre-headless is the CRaC-enabled headless Java Runtime Environment package for OpenJDK 21, used to run Java applications with Coordinated Restore at Checkpoint (CRaC) support.
Openjdk-21-crac-jre-headless is a technology platform tracked across 2 threat clusters and 1 intelligence report mention on ThreatCluster. First observed December 2, 2025; most recent activity December 2, 2025.
OpenJDK-21-crac-jre-headless is the CRaC-enabled headless Java Runtime Environment package for OpenJDK 21, used to run Java applications with Coordinated Restore at Checkpoint (CRaC) support. Its security significance arises from a critical vulnerability in OpenJDK 21 that prompted a security patch (USN-7901-1) tied to CVE-2025, underscoring the need to keep this component up to date for secure Java services.
Several critical security vulnerabilities were identified in various versions of OpenJDK, affecting Ubuntu 25.10 and its derivatives. The issues include improper handling of encoded strings and XML External Entity (XEE)…
OpenJDK versions 21 and 25 have been found to contain vulnerabilities that allow unauthenticated remote attackers to potentially modify files or leak sensitive information. The issues were discovered in the Security…
OpenJDK-21-crac-jre-headless is the CRaC-enabled headless Java Runtime Environment package for OpenJDK 21, used to run Java applications with Coordinated Restore at Checkpoint (CRaC) support.
The most recent intelligence report mentioning Openjdk-21-crac-jre-headless on ThreatCluster is dated December 2, 2025.
Across ThreatCluster reporting, Openjdk-21-crac-jre-headless most frequently co-occurs with Zero-day Exploit, CVE-2025-53057, CVE-2025-53066, CVE-2025-61748, Openjdk-21-crac, among 12 tracked related entities.
The most significant recent cluster is “Multiple OpenJDK Vulnerabilities Discovered in Ubuntu 25.10 and Derivatives” (11 articles · Updated December 2, 2025). Openjdk-21-crac-jre-headless appears across 2 threat clusters in total, listed above with sources.
Openjdk-21-crac-jre-headless appears in 1 intelligence report mention across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.