The remote Ubuntu 16.04 LTS / 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-7543-1 advisory.

    Jan Raski discovered that libsoup incorrectly handled certain headers when sending HTTP/2 requests     over TLS. An attacker could possibly use this issue to cause a denial of service. This issue only affected     libsoup3 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-32908)

    Jan Raski discovered that libsoup incorrectly parsed certain response headers. An attacker could     possibly use this issue to cause a denial of service. (CVE-2025-4476)

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.

An update of the libsoup package has been released.

The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-3b89fef0f9 advisory.

    Backport fixes for CVE-2025-4476, CVE-2025-4948, CVE-2025-4969, CVE-2025-46420, CVE-2025-46421,     CVE-2025-4945

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

  - A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be     triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically     crafted domain parameter within the WWW-Authenticate header. Processing this malformed header can lead to     a crash of the client application using libsoup. An attacker could exploit this by setting up a malicious     HTTP server. If a user's application using the vulnerable libsoup library connects to this malicious     server, it could result in a denial-of-service. Successful exploitation requires tricking a user's client     application into connecting to the attacker's malicious server. (CVE-2025-4476)

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

The version of libsoup 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-2025-4476 advisory.

  - A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be     triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically     crafted domain parameter within the WWW-Authenticate header. Processing this malformed header can lead to     a crash of the client application using libsoup. An attacker could exploit this by setting up a malicious     HTTP server. If a user's application using the vulnerable libsoup library connects to this malicious     server, it could result in a denial-of-service. Successful exploitation requires tricking a user's client     application into connecting to the attacker's malicious server. (CVE-2025-4476)

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

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-2025:01812-1 advisory.

    - CVE-2025-4969: Fixed off-by-one out-of-bounds read may lead to infoleak (bsc#1243423)
    - CVE-2025-4948: Fixed integer underflow in soup_multipart_new_from_message() leading to denial of service     (bsc#1243332)
    - CVE-2025-4476: Fixed NULL pointer dereference may lead to denial of service (bsc#1243422)

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 remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:01817-1 advisory.

    - CVE-2025-4969: Fixed off-by-one out-of-bounds read may lead to infoleak (bsc#1243423)
    - CVE-2025-4948: Fixed integer underflow in soup_multipart_new_from_message() leading to denial of service     (bsc#1243332)
    - CVE-2025-4476: Fixed NULL pointer dereference may lead to denial of service (bsc#1243422)

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 remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-c04e5b95f1 advisory.

    Backport fixes for CVE-2025-4476, CVE-2025-4948, CVE-2025-4969, CVE-2025-46420, CVE-2025-46421,     CVE-2025-4945

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 version of libsoup 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-2025-4476 advisory.

  - A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be     triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically     crafted domain parameter within the WWW-Authenticate header. Processing this malformed header can lead to     a crash of the client application using libsoup. An attacker could exploit this by setting up a malicious     HTTP server. If a user's application using the vulnerable libsoup library connects to this malicious     server, it could result in a denial-of-service. Successful exploitation requires tricking a user's client     application into connecting to the attacker's malicious server. (CVE-2025-4476)

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

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-99768b0fab advisory.

    This update fixes these CVEs:
      CVE-2025-4948       CVE-2025-32908       CVE-2025-32907       CVE-2025-4969       CVE-2025-4945       CVE-2025-4476


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 Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-1f41505af2 advisory.

    This update fixes these CVEs:
      CVE-2025-4948       CVE-2025-32908       CVE-2025-32907       CVE-2025-4969       CVE-2025-4945       CVE-2025-4476


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.

ID	Name	Product	Family	Published	Updated	Severity
237450	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : libsoup vulnerabilities (USN-7543-1)	Nessus	Ubuntu Local Security Checks	5/29/2025	5/29/2025	medium
237568	Photon OS 4.0: Libsoup PHSA-2025-4.0-0807	Nessus	PhotonOS Local Security Checks	5/30/2025	5/30/2025	medium
237939	Fedora 41 : mingw-libsoup (2025-3b89fef0f9)	Nessus	Fedora Local Security Checks	6/8/2025	6/8/2025	medium
244192	Linux Distros Unpatched Vulnerability : CVE-2025-4476	Nessus	Misc.	8/6/2025	8/6/2025	medium
241850	Azure Linux 3.0 Security Update: libsoup (CVE-2025-4476)	Nessus	Azure Linux Local Security Checks	7/11/2025	7/11/2025	medium
237774	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libsoup (SUSE-SU-2025:01812-1)	Nessus	SuSE Local Security Checks	6/5/2025	6/5/2025	medium
237888	SUSE SLES15 Security Update : libsoup (SUSE-SU-2025:01817-1)	Nessus	SuSE Local Security Checks	6/6/2025	6/6/2025	medium
237944	Fedora 42 : mingw-libsoup (2025-c04e5b95f1)	Nessus	Fedora Local Security Checks	6/8/2025	6/8/2025	medium
241911	CBL Mariner 2.0 Security Update: libsoup (CVE-2025-4476)	Nessus	MarinerOS Local Security Checks	7/11/2025	7/11/2025	medium
243317	Fedora 42 : libsoup3 (2025-99768b0fab)	Nessus	Fedora Local Security Checks	8/4/2025	8/4/2025	medium
244369	Fedora 41 : libsoup3 (2025-1f41505af2)	Nessus	Fedora Local Security Checks	8/6/2025	8/6/2025	medium

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