The version of Tomcat installed on the remote host is prior to 11.0.0.M17. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_11.0.0-m17_security-11 advisory.

  - Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket     clients to keep WebSocket connections open leading to increased resource consumption.This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through     9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86     or 8.5.99 which fix the issue. (CVE-2024-23672)

  - Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17,     10.1.19, 9.0.86 or 8.5.99 which fix the issue. (CVE-2024-24549)

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

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-3307 advisory.

    - Resolves: RHEL-31048       tomcat: Apache Tomcat: WebSocket DoS with incomplete closing handshake (CVE-2024-23672)
    - Resolves: RHEL-31032       tomcat: : Apache Tomcat: HTTP/2 header handling DoS (CVE-2024-24549)

Tenable has extracted the preceding description block directly from the Oracle 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 version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-95834 advisory.

  - Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17,     10.1.19, 9.0.86 or 8.5.99 which fix the issue. (CVE-2024-24549)

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

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7562-1 advisory.

    It was discovered that Tomcat did not include the secure attribute for session cookies when using the     RemoteIpFilter with requests from a reverse proxy. An attacker could possibly use this issue to leak     sensitive information. This issue was fixed for tomcat8 on Ubuntu 18.04 LTS and for tomcat9 on Ubuntu     24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2023-28708)

    It was discovered that Tomcat incorrectly recycled certain objects, which could lead to information     leaking from one request to the next. An attacker could potentially use this issue to leak sensitive     information. This issue was fixed for tomcat8 on Ubuntu 18.04 LTS

    and for tomcat9 on Ubuntu 24.04 LTS, Ubuntu 24.10, and

    Ubuntu 25.04. (CVE-2023-42795)

    It was discovered that Tomcat incorrectly handled HTTP trailer headers. A remote attacker could possibly     use this issue to perform HTTP request smuggling. This issue was fixed for tomcat8 on Ubuntu 18.04 LTS and

    for tomcat9 on Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2023-45648)

    It was discovered that Tomcat incorrectly handled incomplete POST requests, which could cause error     responses to contain data from previous requests. An attacker could potentially use this issue to leak     sensitive information.

    This issue was fixed for tomcat8 on Ubuntu 18.04 LTS and for tomcat9 on

    Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2024-21733)

    It was discovered that Tomcat incorrectly handled socket cleanup, which could lead to websocket     connections staying open. An attacker could possibly use this issue to cause a denial of service. This     issue was fixed

    for tomcat8 on Ubuntu 18.04 LTS, tomcat9 on Ubuntu 24.04 LTS,

    Ubuntu 24.10, and Ubuntu 25.04, and for tomcat10 on Ubuntu 24.04 LTS. (CVE-2024-23672)

    It was discovered that Tomcat incorrectly handled HTTP/2 requests that exceeded configured header limits.
    An attacker could possibly use this issue to cause a denial of service. (CVE-2024-24549)

    It was discovered that Tomcat incorrectly handled some cases of excessive HTTP headers when processing     HTTP/2 streams. This led to miscounting of active streams and incorrect timeout handling. An attacker     could possibly use this issue to cause connections to remain open indefinitely, leading to a denial of     service. This issue was fixed for tomcat9 on Ubuntu 22.04 LTS,

    Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04, and for tomcat10 on

    Ubuntu 24.04 LTS. (CVE-2024-34750)

    It was discovered that Tomcat incorrectly handled TLS handshake processes under certain configurations. An     attacker could possibly use this issue to cause a denial of service. This issue was fixed for tomcat9 on     Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS,

    Ubuntu 24.10, and Ubuntu 25.04, and for tomcat10 on Ubuntu 24.04 LTS.

    (CVE-2024-38286)

Tenable has extracted the preceding description block directly from the Ubuntu 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 version of AOS installed on the remote host is prior to 6.5.6.5. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.5.6.5 advisory.

  - Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote     attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the     KeyTrap issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the     protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG     records. (CVE-2023-50387)

  - The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to     it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to     crash an application or overwrite a neighbouring variable. (CVE-2024-2961)

  - nscd: Stack-based buffer overflow in netgroup cache If the Name Service Cache Daemon's (nscd) fixed size     cache is exhausted by client requests then a subsequent client request for netgroup data may result in a     stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This     vulnerability is only present in the nscd binary. (CVE-2024-33599)

  - nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's (nscd) cache fails     to add a not-found netgroup response to the cache, the client request can result in a null pointer     dereference. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability     is only present in the nscd binary. (CVE-2024-33600)

  - nscd: netgroup cache may terminate daemon on memory allocation failure The Name Service Cache Daemon's     (nscd) netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a     memory allocation failure resulting in a denial of service to the clients. The flaw was introduced in     glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
    (CVE-2024-33601)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98. Other, older, EOL versions may also be affected. Users are     recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
    (CVE-2024-24549)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0429 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2024-23672:
    Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket     clients to keep WebSocket connections open leading to increased resource consumption.This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through     9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.



    CVE-2024-24549:
    Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

    CVE-2023-46589:
    Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from     10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly     parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to     treat a single     request as multiple requests leading to the possibility of request     smuggling when behind a reverse proxy.

    Users are recommended to upgrade to version 11.0.0-M11onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96     onwards, which fix the issue.

Tenable has extracted the preceding description block directly from the Tencent 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 version of Tomcat installed on the remote host is prior to 9.0.86. It is, therefore, affected by multiple vulnerabilities as referenced in the fixed_in_apache_tomcat_9.0.86_security-9 advisory.

  - Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket     clients to keep WebSocket connections open leading to increased resource consumption.This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through     9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86     or 8.5.99 which fix the issue. (CVE-2024-23672)

  - Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17,     10.1.19, 9.0.86 or 8.5.99 which fix the issue. (CVE-2024-24549)

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 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1318 advisory.

    Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web     applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster),     the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.

    This release of Red Hat JBoss Web Server 5.7.8 serves as a replacement for Red Hat JBoss Web Server 5.7.7.
    This release includes bug fixes, enhancements and component upgrades, which are documented in the Release     Notes linked to in the References section.

    Security Fix(es):

    * openssl: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or     parameters may be very slow (CVE-2023-5678)
    * tomcat: HTTP request smuggling via malformed trailer headers (CVE-2023-46589)
    * tomcat: : Apache Tomcat: HTTP/2 header handling DoS (CVE-2024-24549)

    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 Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3779 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3779-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                      Markus Koschany     April 06, 2024                                https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : tomcat9     Version        : 9.0.31-1~deb10u12     CVE ID         : CVE-2024-23672 CVE-2024-24549     Debian Bug     : 1066877 1066878

    Two security vulnerabilities have been discovered in the Tomcat     servlet and JSP engine.

    CVE-2024-24549

         Denial of Service due to improper input validation vulnerability for          HTTP/2. When processing an HTTP/2 request, if the request exceeded any of          the configured limits for headers, the associated HTTP/2 stream was not          reset until after all of the headers had been processed.

    CVE-2024-23672

         Denial of Service via incomplete cleanup vulnerability. It was possible          for WebSocket clients to keep WebSocket connections open leading to          increased resource consumption.

    For Debian 10 buster, these problems have been fixed in version     9.0.31-1~deb10u12.

    We recommend that you upgrade your tomcat9 packages.

    For the detailed security status of tomcat9 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/tomcat9

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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 version of tomcat installed on the remote host is prior to 9.0.87-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2TOMCAT9-2024-013 advisory.

    Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket     clients to keep WebSocket connections open leading to increased resource consumption.This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through     9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
    (CVE-2024-23672)

    Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
    (CVE-2024-24549)

Tenable has extracted the preceding description block directly from the tested product 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 version of tomcat installed on the remote host is prior to 8.5.100-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2TOMCAT8.5-2024-019 advisory.

    Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket     clients to keep WebSocket connections open leading to increased resource consumption.This issue affects     Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through     9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
    (CVE-2024-23672)

    Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98.

    Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
    (CVE-2024-24549)

Tenable has extracted the preceding description block directly from the tested product 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 AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:3666 advisory.

    * Apache Tomcat: HTTP/2 header handling DoS (CVE-2024-24549)
    * Apache Tomcat: WebSocket DoS with incomplete closing handshake (CVE-2024-23672)

    Bug Fix(es):

    * Rebase tomcat to version 9.0.87 (JIRA:AlmaLinux-35813)
    * Amend tomcat package's changelog so that fixed CVEs are mentioned explicitly (JIRA:AlmaLinux-38548)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:3307 advisory.

    * Apache Tomcat: HTTP/2 header handling DoS (CVE-2024-24549)

    * Apache Tomcat: WebSocket DoS with incomplete closing handshake (CVE-2024-23672)

    Bug Fix(es) and Enhancement(s):

    * Rebase tomcat to version 9.0.87 (JIRA:Rocky Linux-34815)

    * Amend tomcat's changelog so that fixed CVEs are mentioned explicitly (JIRA:Rocky Linux-35328)

Tenable has extracted the preceding description block directly from the Rocky 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 version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-98442 advisory.

  - Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
    When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the     associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1     through 9.0.85, from 8.5.0 through 8.5.98. Users are recommended to upgrade to version 11.0.0-M17,     10.1.19, 9.0.86 or 8.5.99 which fix the issue. (CVE-2024-24549)

Note that Nessus has not tested for this issue 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
192044	Apache Tomcat 11.0.0.M1 < 11.0.0.M17 multiple vulnerabilities	Nessus	Web Servers	2024/3/13	2024/11/19	medium
197878	Oracle Linux 9 : tomcat (ELSA-2024-3307)	Nessus	Oracle Linux Local Security Checks	2024/5/24	2025/9/11	high
197934	Atlassian Confluence 2.6.0 < 7.19.22 / 7.20.x < 8.5.9 / 8.6.x < 8.9.1 DoS (CONFSERVER-95834)	Nessus	CGI abuses	2024/5/27	2025/5/26	high
238065	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : Tomcat vulnerabilities (USN-7562-1)	Nessus	Ubuntu Local Security Checks	2025/6/10	2025/6/11	high
204958	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.5.6.5)	Nessus	Misc.	2024/8/1	2025/12/24	high
227610	Linux Distros Unpatched Vulnerability : CVE-2024-24549	Nessus	Misc.	2025/3/5	2026/8/4	high
239958	TencentOS Server 4: tomcat (TSSA-2024:0429)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high
192042	Apache Tomcat 9.0.0.M1 < 9.0.86 multiple vulnerabilities	Nessus	Web Servers	2024/3/13	2024/11/19	medium
192194	RHEL 7 / 8 / 9 : Red Hat JBoss Web Server 5.7.8 (RHSA-2024:1318)	Nessus	Red Hat Local Security Checks	2024/3/18	2024/11/7	high
192959	Debian dla-3779 : libtomcat9-embed-java - security update	Nessus	Debian Local Security Checks	2024/4/6	2025/1/22	medium
193449	Amazon Linux 2 : tomcat (ALASTOMCAT9-2024-013)	Nessus	Amazon Linux Local Security Checks	2024/4/18	2024/12/11	medium
193451	Amazon Linux 2 : tomcat (ALASTOMCAT8.5-2024-019)	Nessus	Amazon Linux Local Security Checks	2024/4/18	2024/12/11	medium
200163	AlmaLinux 8 : tomcat (ALSA-2024:3666)	Nessus	Alma Linux Local Security Checks	2024/6/6	2024/11/19	medium
200566	Rocky Linux 9 : tomcat (RLSA-2024:3307)	Nessus	Rocky Linux Local Security Checks	2024/6/14	2024/11/19	medium
214003	Atlassian Confluence 6.5.x < 7.19.22 / 7.20.x < 8.5.9 / 8.6.x < 8.9.0 (CONFSERVER-98442)	Nessus	CGI abuses	2025/1/13	2025/1/13	high

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