USN-5053-1: libssh vulnerability
26 August 2021
libssh could be made to crash or run programs if it received specially crafted network traffic.
Releases
Packages
- libssh - A tiny C SSH library
Details
It was discovered that libssh incorrectly handled rekeying. A remote
attacker could use this issue to cause libssh to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.