Ubuntu: USN-5664-1 (CVE-2016-7445): OpenJPEG vulnerabilities

It was discovered that OpenJPEG did not properly handle PNM
headers, resulting in a null pointer dereference. A remote
attacker could possibly use this issue to cause a denial of
service (DoS). (CVE-2016-7445)

It was discovered that OpenJPEG incorrectly handled certain
image files resulting in division by zero. A remote attacker
could possibly use this issue to cause a denial of service
(DoS). (CVE-2016-9112 and CVE-2016-10506)

It was discovered that OpenJPEG incorrectly handled converting
certain image files resulting in a stack buffer overflow. A
remote attacker could possibly use this issue to cause a
denial of service (DoS). (CVE-2017-17479)

It was discovered that OpenJPEG incorrectly handled converting
PNM image files resulting in a null pointer dereference. A
remote attacker could possibly use this issue to cause a denial
of service (DoS). (CVE-2018-18088)

It was discovered that OpenJPEG incorrectly handled converting
DWT images files resulting in a buffer overflow. A remote
attacker could possibly use this issue to cause a denial of
service (DoS). (CVE-2020-27824)