A Cairo security update has been released for Ubuntu Linux 16.04 ESM.

USN-5407-1: Cairo vulnerabilities

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Ubuntu Security Notice USN-5407-1
May 10, 2022

cairo vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in cairo.

Software Description:
- cairo: Cairo 2D vector graphics library performance utilities

Details:

Gustavo Grieco, Alberto Garcia, Francisco Oca, Suleman Ali, and others
discovered that Cairo incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2016-9082, CVE-2017-9814, CVE-2019-6462)

Stephan Bergmann discovered that Cairo incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code.
(CVE-2020-35492)

Update instructions:

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

Ubuntu 16.04 ESM:
cairo-perf-utils 1.14.6-1ubuntu0.1~esm1
libcairo2 1.14.6-1ubuntu0.1~esm1

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

References:
https://ubuntu.com/security/notices/USN-5407-1
CVE-2016-9082, CVE-2017-9814, CVE-2019-6462, CVE-2020-35492