USN-4338-2: re2c vulnerability

28 April 2020

re2c could be made to execute arbitrary code if it received a specially crafted file.

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Releases

USN-4338-1 fixed vulnerabilities in re2c. This update provides
the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

Agostino Sarubbo discovered that re2c incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.

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

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

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.