Summary
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)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | gvfs | 1.48.2-0ubuntu1.1 |
| Ubuntu · 24.04 LTS 24.04:LTS | gvfs | 1.54.4-0ubuntu1~24.04.2 |
| Ubuntu · 25.10 | gvfs | 1.57.2-2ubuntu5.1 |
Vulnerabilities 2
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Medium 4.3
Gvfs: gvfs ftp backend: information disclosure via untrusted pasv responses
A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode (PASV) response. The client unconditionally trusts this information and attempts to connect to th…
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Medium 4.3
Gvfs: ftp gvfs backend: arbitrary ftp command injection via crlf sequences in file paths
A flaw was found in the FTP GVfs backend. A remote attacker could exploit this input validation vulnerability by supplying specially crafted file paths containing carriage return and line feed (CRLF) sequences. These unsanitized sequences allow the attacker t…