漏洞描述
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).
修复方式
sudo apt update && sudo apt dist-upgrade
是否受影响判断
判断方法：apt policy PackageName
结果说明：版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复。