The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4240-1 advisory.

    - CVE-2026-84267: `read_string()` allocates buffers withouth verifying that the buffer is completely     filled when       communicating with a malicious SFTP server, which can lead to uninitialized heap memory leaks     (bsc#1278157).
    - CVE-2026-84268: `read_reply()` processes length that exceeds requested client size when communicating     with a malicious       SFTP server, which can lead to an OOB write (bsc#1278158).
    - CVE-2026-84269: DSI read path processes length that exceeds requested client size when communicating     with a malicious       AFP server, which can lead to an OOB memory access (bsc#1278159).
    - CVE-2026-84270: `do_read()` trusts the data length returned by a mounted MTP device and does not limit     it to the       original size requested by the client, which can lead to an OOB write (bsc#1278156).

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 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-571b7e1505 advisory.

    Fix CVE-2026-84267, CVE-2026-84268, CVE-2026-84269, and CVE-2026-84270

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 Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8970-1 advisory.

    It was discovered that GVfs did not properly validate data returned by an SFTP server. A remote attacker     could possibly use this issue to obtain sensitive information. (CVE-2026-84267)

    It was discovered that GVfs did not properly validate the size of replies from an AFP server. A remote     attacker could possibly use this issue to cause a denial of service. (CVE-2026-84269)

    It was discovered that GVfs did not properly validate the size of data returned by an MTP device. An     attacker with a malicious MTP device could possibly use this issue to cause a denial of service.
    (CVE-2026-84270)

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 SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4238-1 advisory.

    - CVE-2026-84267: `read_string()` allocates buffers withouth verifying that the buffer is completely     filled when       communicating with a malicious SFTP server, which can lead to uninitialized heap memory leaks     (bsc#1278157).
    - CVE-2026-84268: `read_reply()` processes length that exceeds requested client size when communicating     with a malicious       SFTP server, which can lead to an OOB write (bsc#1278158).
    - CVE-2026-84269: DSI read path processes length that exceeds requested client size when communicating     with a malicious       AFP server, which can lead to an OOB memory access (bsc#1278159).
    - CVE-2026-84270: `do_read()` trusts the data length returned by a mounted MTP device and does not limit     it to the       original size requested by the client, which can lead to an OOB write (bsc#1278156).

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 SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4200-1 advisory.

    - CVE-2026-84267: `read_string()` allocates buffers withouth verifying that the buffer is completely     filled when       communicating with a malicious SFTP server, which can lead to uninitialized heap memory leaks     (bsc#1278157).
    - CVE-2026-84268: `read_reply()` processes length that exceeds requested client size when communicating     with a malicious       SFTP server, which can lead to an OOB write (bsc#1278158).
    - CVE-2026-84269: DSI read path processes length that exceeds requested client size when communicating     with a malicious       AFP server, which can lead to an OOB memory access (bsc#1278159).
    - CVE-2026-84270: `do_read()` trusts the data length returned by a mounted MTP device and does not limit     it to the       original size requested by the client, which can lead to an OOB write (bsc#1278156).

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.

  - A flaw was found in the MTP backend in gvfs. When reading a file from a mounted MTP device, do_read() in     gvfsbackendmtp.c trusts the data length returned by the device without limiting it to the original size     requested by the client. If a malicious MTP device responds with more bytes than requested, this     unrestricted length is passed directly to memcpy(). This causes the operation to read memory outside the     intended boundaries. This allows an attacker who plugs in a malicious MTP device to cause a segmentation     fault when a file is read and crash the gvfsd-mtp process, resulting in a denial of service.
    (CVE-2026-84270)

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

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-109822 advisory.

    A flaw was found in the MTP backend in gvfs. When reading a file from a mounted MTP device, do_read() in     gvfsbackendmtp.c trusts the data length returned by the device without limiting it to the original size     requested by the client. If a malicious MTP device responds with more bytes than requested, this     unrestricted length is passed directly to memcpy(). This causes the operation to read memory outside the     intended boundaries. This allows an attacker who plugs in a malicious MTP device to cause a segmentation     fault when a file is read and crash the gvfsd-mtp process, resulting in a denial of service.

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.

ID	Name	Product	Family	Published	Updated	Severity
347904	SUSE SLED15: gvfs / gvfs-backend-afc / gvfs-backend-samba / gvfs-backends / etc (SUSE-SU-2026:4240-1)	Nessus	SuSE Local Security Checks	9/18/2026	9/23/2026	high
342551	Fedora 43 : gvfs (2026-571b7e1505)	Nessus	Fedora Local Security Checks	9/3/2026	10/9/2026	high
375773	Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : GVfs vulnerabilities (USN-8970-1)	Nessus	Ubuntu Local Security Checks	11/4/2026	11/4/2026	medium
347908	SUSE SLES15: gvfs / gvfs-backend-afc / gvfs-backend-samba / gvfs-backends / etc (SUSE-SU-2026:4238-1)	Nessus	SuSE Local Security Checks	9/18/2026	9/23/2026	high
346798	SUSE SLES12: gvfs / gvfs-backend-samba / gvfs-backends / gvfs-devel / gvfs-fuse / etc (SUSE-SU-2026:4200-1)	Nessus	SuSE Local Security Checks	9/17/2026	9/17/2026	high
342192	Linux Distros Unpatched Vulnerability : CVE-2026-84270	Nessus	Misc.	9/1/2026	11/4/2026	medium
347043	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: gvfs (UTSA-2026-109822)	Nessus	Unity Linux Local Security Checks	9/17/2026	9/17/2026	medium

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