The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:1369-1 advisory.

    - CVE-2025-27219: Fixed denial of service in CGI::Cookie.parse (bsc#1237804)
    - CVE-2025-27220: Fixed ReDoS in CGI::Util#escapeElement (bsc#1237806)

    Other fixes:
    - Improved fix for CVE-2024-47220 (bsc#1230930, bsc#1235773)

Tenable has extracted the preceding description block directly from the SUSE 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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-2025-27219)

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

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

    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-2025-27220)

    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-2025-27219)

    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.(CVE-2025-27221)

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 version of ruby installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-27219 advisory.

  - 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-2025-27219)

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

An update of the ruby package has been released.

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-2025-27219 advisory.

  - 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-2025-27219)

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 / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7418-1 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. This issue only affected in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and     Ubuntu 24.10. (CVE-2024-35176, CVE-2024-39908, CVE-2024-41123, CVE-2024-43398)

    It was discovered that Ruby incorrectly handled expanding ranges in the net-imap response parser. If a     user or automated system were tricked into connecting to a malicious IMAP server, a remote attacker could     possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu     24.04 LTS, and Ubuntu 24.10. (CVE-2025-25186)

    It was discovered that the Ruby CGI gem incorrectly handled parsing certain cookies. A remote attacker     could possibly use this issue to consume resources, leading to a denial of service. (CVE-2025-27219)

    It was discovered that the Ruby CGI gem incorrectly handled parsing certain regular expressions. A remote     attacker could possibly use this issue to consume resources, leading to a denial of service.
    (CVE-2025-27220)

    It was discovered that the Ruby URI gem incorrectly handled certain URI handling methods. A remote     attacker could possibly use this issue to leak authentication credentials. (CVE-2025-27221)

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 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 remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-10217 advisory.

    - Fix Net::IMAP vulnerable to possible DoS by memory exhaustion. (CVE-2025-25186)
    - Fix Denial of Service in CGI::Cookie.parse. (CVE-2025-27219)
    - Fix userinfo leakage in URI#join, URI#merge and URI#+. (CVE-2025-27221)

    rubygem-abrt

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.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
234841	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ruby2.5 (SUSE-SU-2025:1369-1)	Nessus	SuSE Local Security Checks	2025/4/25	2025/4/25	medium
232142	Linux Distros Unpatched Vulnerability : CVE-2025-27219	Nessus	Misc.	2025/3/6	2025/9/1	high
235742	EulerOS 2.0 SP10 : ruby (EulerOS-SA-2025-1538)	Nessus	Huawei Local Security Checks	2025/5/12	2025/5/12	medium
233140	CBL Mariner 2.0 Security Update: ruby (CVE-2025-27219)	Nessus	MarinerOS Local Security Checks	2025/3/20	2025/4/20	medium
233319	Photon OS 5.0: Ruby PHSA-2025-5.0-0488	Nessus	PhotonOS Local Security Checks	2025/3/25	2025/3/25	medium
234639	Azure Linux 3.0 Security Update: ruby (CVE-2025-27219)	Nessus	Azure Linux Local Security Checks	2025/4/20	2025/4/20	medium
233968	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Ruby vulnerabilities (USN-7418-1)	Nessus	Ubuntu Local Security Checks	2025/4/7	2025/9/3	high
235375	Oracle Linux 9 : ruby:3.1 (ELSA-2025-4488)	Nessus	Oracle Linux Local Security Checks	2025/5/6	2025/9/11	high
241373	Oracle Linux 8 : ruby:3.3 (ELSA-2025-10217)	Nessus	Oracle Linux Local Security Checks	2025/7/4	2025/9/11	medium

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