USN-6424-1: kramdown vulnerability
10 October 2023
kramdown could be made to execute arbitrary code if it received specially crafted input.
Releases
Packages
- ruby-kramdown - Fast, pure-Ruby Markdown-superset converter - ruby library
Details
It was discovered that kramdown did not restrict Rouge formatters to the
correct namespace. An attacker could use this issue to cause kramdown to
execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.