USN-4338-2: re2c vulnerability
re2c vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary
re2c could be made to execute arbitrary code if it received
a specially crafted file.
Software Description
- re2c – tool for generating fast C-based recognizers
Details
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- re2c – 1.3-1ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4338-2: re2c vulnerability
