The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3889 advisory.

    Red Hat JBoss Enterprise Application Platform 8 is a platform for Java applications based on the WildFly     application runtime. This release of Red Hat JBoss Enterprise Application Platform 8.0.12 serves as a     replacement for Red Hat JBoss Enterprise Application Platform 8.0.11, and includes bug fixes and     enhancements. See the Red Hat JBoss Enterprise Application Platform 8.0.12 Release Notes for information     about the most significant bug fixes and enhancements included in this release.

    Security Fix(es):

    * undertow-core: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache     Poisoning and SSRF [eap-8.0.z] (CVE-2025-12543)

    * undertow-core: Undertow MadeYouReset HTTP/2 DDoS Vulnerability (CVE-2025-9784)

    * undertow: OutOfMemory when parsing form data encoding with     application/x-www-form-urlencoded [eap-8.0.z] (CVE-2024-3884)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 8 : Red Hat JBoss Enterprise Application Platform 8.0.12 (RHSA-2026:3889)

critical Nessus Plugin ID 301159

Version 1.2

Version 1.1

Version 1.2 Mar 17, 2026, 4:16 PM CVSS metrics ("CVSSv2 score" set to 10.0) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C") CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H") Plugin Feed: 202603171616
Version 1.1 Mar 7, 2026, 12:24 AM New Plugin Feed: 202603070024