RHSA-2026:3951HighCVSS 7.5

Red Hat Security Advisory: JBoss EAP XP 5.0 Update 4.0 release. See references for release notes.

Published
March 5, 2026
Last Modified
July 30, 2026

🔗 CVE IDs covered (3)

CVE-2026-1002 →CVE-2025-58057 →CVE-2025-66566 →

📋 Description

CVE-2025-58057 — netty-codec: netty-codec-compression: Netty's BrotliDecoder is vulnerable to DoS via zip bomb style attack CVE-2025-66566 — lz4-java: lz4-java: Information Disclosure via Insufficient Output Buffer Clearing CVE-2026-1002 — io.vertx/vertx-core: static handler component cache can be manipulated to deny the access to static files

🎯 Affected products1

  • Red Hat JBoss EAP XP 5.0 Update 4.0

✅ Remediation

Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.0/html/jboss_eap_xp_5.0_upgrade_and_migration_guide/index Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: To mitigate this vulnerability, consider disabling the static handler cache by configuring the StaticHandler instance with setCachingEnabled(false), for example: ~~~ StaticHandler staticHandler = StaticHandler.create().setCachingEnabled(false); ~~~

🔗 References (9)