Ubuntu Security Notice USN-5405-1
May 05, 2022
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM
Several security issues were fixed in jbig2dec.
– jbig2dec: JBIG2 decoder library
It was discovered that jbig2dec incorrectly handled memory when parsing
invalid files. An attacker could use this issue to cause jbig2dec to
crash, leading to a denial of service. (CVE-2017-9216)
It was discovered that jbig2dec incorrectly handled memory when
processing untrusted input. An attacker could use this issue to cause a
denial of service, or possibly execute arbitrary code. (CVE-2020-12268)
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
In general, a standard system update will make all the necessary changes.