The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:4063 advisory.

    Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text     files and to perform system management tasks.

    Security Fix(es):

    * rexml: DoS vulnerability in REXML (CVE-2024-39908)

    * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)

    * rexml: DoS vulnerability in REXML (CVE-2024-41946)

    * rexml: DoS vulnerability in REXML (CVE-2024-43398)

    * CGI: ReDoS in CGI::Util#escapeElement (CVE-2025-27220)

    * CGI: Denial of Service in CGI::Cookie.parse (CVE-2025-27219)

    * uri: userinfo leakage in URI#join, URI#merge and URI#+ (CVE-2025-27221)

    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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-4488 advisory.

    ruby     [3.1.7-146]
    - Upgrade to Ruby 3.1.7.
      Resolves: RHEL-55410
    - Fix DoS vulnerability in REXML. (CVE-2024-39908)       Resolves: RHEL-86077

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 Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0724 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2024-41123:
    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as whitespace character, >] and ]>. The REXML gem 3.3.3 or     later include the patches to fix these vulnerabilities.

    CVE-2024-41946:
    REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.

    CVE-2024-43398:
    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.

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 Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0359 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2024-39908:
     REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as <, 0 and %>. If you need to parse untrusted XMLs, you     many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these     vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML     strings.

    CVE-2024-41123:
    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as whitespace character, >] and ]>. The REXML gem 3.3.3 or     later include the patches to fix these vulnerabilities.

    CVE-2024-41946:
    REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.

    CVE-2024-43398:
    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.

    CVE-2025-27219:
    In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI library contains a potential     Denial of Service (DoS) vulnerability. The method does not impose any limit on the length of the raw     cookie value it processes. This oversight can lead to excessive resource consumption when parsing     extremely large cookies.

    CVE-2025-27220:
    In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists     in the Util#escapeElement method.

    CVE-2025-27221:
    In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an     inadvertent leakage of authentication credentials because userinfo is retained even after changing the     host.

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 ruby installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-43398 advisory.

  - REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you May be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability. (CVE-2024-43398)

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

The version of the REXML Ruby library installed on the remote host is prior to 3.3.6. It is, therefore, affected by a DoS vulnerability. The vulnerability lies when it parses an XML that has many deep elements that have same local name attributes.

If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected.

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

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005311 advisory.

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.

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 Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7256-1 advisory.

    It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML     characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash,     resulting in a denial of service.

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 remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-cfcd6258fa advisory.

    Upgrade to Ruby 3.3.5.




Tenable has extracted the preceding description block directly from the Fedora 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-2024:6702 advisory.

    The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

    Security Fix(es):

    * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)

    * rexml: DoS vulnerability in REXML (CVE-2024-41946)

    * rexml: DoS vulnerability in REXML (CVE-2024-43398)

    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.

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    REXML is an XML toolkit for Ruby.The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API.The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.(CVE-2024-41946)

    REXML is an XML toolkit for Ruby.The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an     XML that has many specific characters such as whitespace character, `]` and `]`.The REXML gem 3.3.3     or later include the patches to fix these vulnerabilities.(CVE-2024-41123)

    REXML is an XML toolkit for Ruby.The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes.If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability.If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected.The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.(CVE-2024-43398)

     REXML is an XML toolkit for Ruby.The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as ``, `0` and `%`.If you need to parse untrusted     XMLs, you many be impacted to these vulnerabilities.The REXML gem 3.3.2 or later include the patches to     fix these vulnerabilities.Users are advised to upgrade.Users unable to upgrade should avoid parsing     untrusted XML strings.(CVE-2024-39908)

     REXML is an XML toolkit for Ruby.The REXML gem before 3.2.6 has a denial of service vulnerability when it     parses an XML that has many ``s in an attribute value.Those who need to parse untrusted XMLs may be     impacted to this vulnerability.The REXML gem 3.2.7 or later include the patch to fix this vulnerability.As     a workaround, don't parse untrusted XMLs.(CVE-2024-35176)

Tenable has extracted the preceding description block directly from the EulerOS ruby security advisory.

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

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that     has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to     fix the vulnerability.(CVE-2024-41946)

     REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as ``, `0` and `%`. If you need to parse untrusted     XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to     fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing     untrusted XML strings.(CVE-2024-39908)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability.(CVE-2024-43398)

    REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses     an XML that has many specific characters such as whitespace character, `]` and `]`. The REXML gem     3.3.3 or later include the patches to fix these vulnerabilities.(CVE-2024-41123)

Tenable has extracted the preceding description block directly from the EulerOS ruby 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 RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:4488 advisory.

    * rexml: DoS vulnerability in REXML (CVE-2024-39908)

    * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)

    * rexml: DoS vulnerability in REXML (CVE-2024-41946)

    * rexml: DoS vulnerability in REXML (CVE-2024-43398)

    * CGI: ReDoS in CGI::Util#escapeElement (CVE-2025-27220)

    * CGI: Denial of Service in CGI::Cookie.parse (CVE-2025-27219)

    * uri: userinfo leakage in URI#join, URI#merge and URI#+ (CVE-2025-27221)

Tenable has extracted the preceding description block directly from the RockyLinux 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 MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8830:01 advisory.

    * rexml: DoS vulnerability in REXML (CVE-2024-39908)
      * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace     character, >] and ]> (CVE-2024-41123)
      * rexml: DoS vulnerability in REXML (CVE-2024-41946)
      * rexml: DoS vulnerability in REXML (CVE-2024-43398)

Tenable has extracted the preceding description block directly from the MiracleLinux 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
234769	RHEL 8 : ruby:3.1 (RHSA-2025:4063)	Nessus	Red Hat Local Security Checks	2025/4/23	2025/6/5	high
235375	Oracle Linux 9 : ruby:3.1 (ELSA-2025-4488)	Nessus	Oracle Linux Local Security Checks	2025/5/6	2025/9/11	high
239346	TencentOS Server 3: pcs (TSSA-2024:0724)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high
239788	TencentOS Server 3: ruby:3.1 (TSSA-2025:0359)	Nessus	Tencent Local Security Checks	2025/6/16	2025/12/4	high
241899	Azure Linux 3.0 Security Update: ruby (CVE-2024-43398)	Nessus	Azure Linux Local Security Checks	2025/7/11	2026/1/22	high
242630	Ruby REXML < 3.3.6 DoS vulnerability	Nessus	Misc.	2025/7/23	2026/3/23	medium
298428	Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: pcs (UTSA-2026-005311)	Nessus	Unity Linux Local Security Checks	2026/2/10	2026/2/10	high
215050	Ubuntu 20.04 LTS : Ruby vulnerabilities (USN-7256-1)	Nessus	Ubuntu Local Security Checks	2025/2/6	2025/2/6	medium
211074	Fedora 41 : ruby (2024-cfcd6258fa)	Nessus	Fedora Local Security Checks	2024/11/14	2024/12/23	medium
207317	RHEL 8 : pcs (RHSA-2024:6702)	Nessus	Red Hat Local Security Checks	2024/9/16	2024/11/7	high
210677	EulerOS 2.0 SP10 : ruby (EulerOS-SA-2024-2895)	Nessus	Huawei Local Security Checks	2024/11/8	2024/12/23	high
212654	EulerOS 2.0 SP11 : ruby (EulerOS-SA-2024-2972)	Nessus	Huawei Local Security Checks	2024/12/12	2024/12/23	high
243116	RockyLinux 9 : ruby:3.1 (RLSA-2025:4488)	Nessus	Rocky Linux Local Security Checks	2025/7/30	2025/7/30	high
292505	MiracleLinux 8 : ruby:3.3 (AXSA:2024-8830:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high

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