OpenJDK 11 is a technology platform tracked by ThreatCluster, appearing in 4 threat clusters built from 4 intelligence report mentions.
OpenJDK 11 is a technology platform tracked across 4 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed November 25, 2025; most recent activity May 28, 2026.
On May 28, 2026, Ubuntu published security notices for vulnerabilities in various Java Development Kits (JDKs). Discovered by Thomas Beckers, these vulnerabilities affect CRaC JDK 25, JDK 21, JDK 17, OpenJDK 11, and…
Vulnerabilities have been identified in OpenJDK versions 8, 11, and 21, as well as CRaC JDK 21. The RMI component in these versions allows unauthenticated remote attackers to establish TCP endpoint connections without…
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 11 is a technology platform tracked by ThreatCluster, appearing in 4 threat clusters built from 4 intelligence report mentions.
The most recent intelligence report mentioning OpenJDK 11 on ThreatCluster is dated May 28, 2026. Activity was first observed November 25, 2025, giving a tracked span from then to May 28, 2026.
Across ThreatCluster reporting, OpenJDK 11 most frequently co-occurs with Data Breach, Denial of Service, Zero-day Exploit, Ubuntu, CVE-2025-53057, among 12 tracked related entities.
The most significant recent cluster is “Multiple CRaC JDK and OpenJDK Vulnerabilities Discovered” (8 articles · Updated May 28, 2026). OpenJDK 11 appears across 4 threat clusters in total, listed above with sources.
OpenJDK 11 appears in 4 intelligence report mentions across 4 deduplicated threat clusters, aggregated from 17,000+ monitored sources.