USN-8486-1: libssh2 vulnerabilities
Affected Software
1 affected component
libssh2 libssh2
Event History
Jun 30, 2026
Advisory Published
via Ubuntu·04:04 PM
Data Sourced
via Ubuntu·04:04 PM
DescriptionAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of USN-8486-1?
The severity of USN-8486-1 is high due to critical vulnerabilities in libssh2.
2
How do I fix USN-8486-1?
To fix USN-8486-1, update your libssh2 package to the latest available version.
3
What vulnerabilities are addressed in USN-8486-1?
USN-8486-1 addresses multiple vulnerabilities including CVE-2026-55200, CVE-2026-55199, and CVE-2025-15661.
4
Who is affected by USN-8486-1?
Any system using an affected version of the libssh2 library is at risk from USN-8486-1.
5
What can happen if USN-8486-1 is not addressed?
If USN-8486-1 is not addressed, attackers may exploit the vulnerabilities to execute remote code or perform other malicious activities.