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Ubuntu Security Notice USN-5657-1
October 05, 2022

graphite2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Graphite2 could be made to crash if it opened a specially crafted
file.

Software Description:
- graphite2: Font rendering engine for Complex Scripts

Details:

It was discovered that Graphite2 mishandled specially crafted files. An
attacker could possibly use this issue to cause a denial of service or
other unspecified impact.

Update instructions:

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

Ubuntu 16.04 ESM:
  libgraphite2-3                  1.3.10-0ubuntu0.16.04.1+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5657-1
  CVE-2018-7999