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USN-5098-1: bl vulnerability

30 September 2021

node-bl could be made to expose sensitive information if it received specially crafted input.



  • node-bl - A Node.js Buffer list collector


It was discovered that bl didn't properly sanitize the inputs. An attacker
could use this to leak sensitive information.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04

In general, a standard system update will make all the necessary changes.