USN-6049-1: Netty vulnerabilities

It was discovered that Netty's Zlib decoders did not limit memory
allocations. A remote attacker could possibly use this issue to cause
Netty to exhaust memory via malicious input, leading to a denial of
service. This issue only affected Ubuntu 16.04 ESM and Ubuntu 20.04 ESM.
(CVE-2020-11612)

It was discovered that Netty created temporary files with excessive
permissions. A local attacker could possibly use this issue to expose
sensitive information. This issue only affected Ubuntu 16.04 ESM, Ubuntu …

cve denial of service files headers information input issue length local malicious memory permissions sensitive information service ubuntu usn vulnerabilities zlib