USN-8970-1: GVfs vulnerabilities

Publication date

3 November 2026

Overview

Several security issues were fixed in GVfs.


Packages

  • gvfs - Userspace virtual file system

Details

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)

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)

Update instructions

After a standard system update you need to restart your session to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute gvfs –  1.60.0-1ubuntu0.2
24.04 LTS noble gvfs –  1.54.4-0ubuntu1~24.04.5
22.04 LTS jammy gvfs –  1.48.2-0ubuntu1.3

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