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 )
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 )
After a standard system update you need to restart your session to make all the necessary changes.
The problem can be corrected by updating your system to the following package versions:
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
