The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017758 advisory.

    Netty is an open-source, asynchronous event-driven network application framework for rapid development of     maintainable high performance protocol servers & clients. In Netty (io.netty:netty-codec-http2) before     version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header     is present in the original HTTP/2 request, the field is not validated by `Http2MultiplexHandler` as it is     propagated up. This is fine as long as the request is not proxied through as HTTP/1.1. If the request     comes in as an HTTP/2 stream, gets converted into the HTTP/1.1 domain objects (`HttpRequest`,     `HttpContent`, etc.) via `Http2StreamFrameToHttpObjectCodec `and then sent up to the child channel's     pipeline and proxied through a remote peer as HTTP/1.1 this may result in request smuggling. In a proxy     case, users may assume the content-length is validated somehow, which is not the case. If the request is     forwarded to a backend channel that is a HTTP/1.1 connection, the Content-Length now has meaning and needs     to be checked. An attacker can smuggle requests inside the body as it gets downgraded from HTTP/2 to     HTTP/1.1. For an example attack refer to the linked GitHub Advisory. Users are only affected if all of     this is true: `HTTP2MultiplexCodec` or `Http2FrameCodec` is used, `Http2StreamFrameToHttpObjectCodec` is     used to convert to HTTP/1.1 objects, and these HTTP/1.1 objects are forwarded to another remote peer. This     has been patched in 4.1.60.Final As a workaround, the user can do the validation by themselves by     implementing a custom `ChannelInboundHandler` that is put in the `ChannelPipeline` behind     `Http2StreamFrameToHttpObjectCodec`.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

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

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2046 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.7 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.6, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.7 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * velocity: arbitrary code execution when attacker is able to modify templates (CVE-2020-13936)

    * netty: Information disclosure via the local system temporary directory (CVE-2021-21290)

    * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)

    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.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3658 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.0 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.1 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * velocity: arbitrary code execution when attacker is able to modify templates (CVE-2020-13936)

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * wildfly-elytron: possible timing attack in ScramServer (CVE-2021-3642)

    * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)

    * netty: Request smuggling via content-length header (CVE-2021-21409)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly: XSS via admin console when creating roles in domain mode (CVE-2021-3536)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    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.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3656 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.0 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.1 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * velocity: arbitrary code execution when attacker is able to modify templates (CVE-2020-13936)

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * wildfly-elytron: possible timing attack in ScramServer (CVE-2021-3642)

    * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)

    * netty: Request smuggling via content-length header (CVE-2021-21409)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly: XSS via admin console when creating roles in domain mode (CVE-2021-3536)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
313950	Unity Linux 20.1070e Security Update: netty (UTSA-2026-017758)	Nessus	Unity Linux Local Security Checks	2026/5/11	2026/5/11	medium
149813	RHEL 6 : Red Hat JBoss Enterprise Application Platform 7.3.7 security update on RHEL 6 (Moderate) (RHSA-2021:2046)	Nessus	Red Hat Local Security Checks	2021/5/20	2024/11/7	high
153832	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.4.1 security update on RHEL 8 (Important) (RHSA-2021:3658)	Nessus	Red Hat Local Security Checks	2021/10/1	2024/11/7	high
153835	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.4.1 security update on RHEL 7 (Important) (RHSA-2021:3656)	Nessus	Red Hat Local Security Checks	2021/10/1	2024/11/7	high

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