USN-8114-1: GVfs vulnerabilities

Publication date

23 March 2026

Overview

Several security issues were fixed in GVfs.


Packages

  • gvfs - Userspace virtual file system

Details

It was discovered that the GVfs FTP backend incorrectly handled IP
addresses and ports returned by passive mode responses. A malicious remote
server could possibly use this issue to help scan for open ports.
(CVE-2026-28295)

It was discovered that the GVfs FTP backend incorrectly handled crafted
file paths. A remote attacker could use this issue to terminate or inject
arbitrary FTP commands, or possibly execute arbitrary code.
(CVE-2026-28296)

It was discovered that the GVfs FTP backend incorrectly handled IP
addresses and ports returned by passive mode responses. A malicious remote
server could possibly use this issue to help scan for open ports.
(CVE-2026-28295)

It was discovered that the GVfs FTP backend incorrectly handled crafted
file paths. A remote attacker could use this issue to terminate or inject
arbitrary FTP commands, or possibly execute arbitrary code.
(CVE-2026-28296)

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
25.10 questing gvfs –  1.57.2-2ubuntu5.1
gvfs-backends –  1.57.2-2ubuntu5.1
24.04 LTS noble gvfs –  1.54.4-0ubuntu1~24.04.2
gvfs-backends –  1.54.4-0ubuntu1~24.04.2
22.04 LTS jammy gvfs –  1.48.2-0ubuntu1.1
gvfs-backends –  1.48.2-0ubuntu1.1

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