Ubuntu Security Notice 4460-1 - 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.
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Ubuntu Security Notice USN-4460-1
August 17, 2020
libonig vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in Oniguruma.
Software Description:
- libonig: regular expressions library
Details:
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 ESM:
libonig2 5.9.1-1ubuntu1.1+esm2
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4460-1
CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246