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USN-4460-1: Oniguruma vulnerabilities

17 August 2020

Several security issues were fixed in Oniguruma.



  • libonig - regular expressions library


It was discovered that Oniguruma incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial
of service, obtain sensitive information or other unspecified impact.
(CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246)

Update instructions

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

Ubuntu 14.04

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