Errata overview
Errata ID 540
Date 2019-07-03
Source package expat
Fixed in version 2.2.0-2+deb9u2
Description
This update addresses the following issue:
* Large number of colons in input makes parser consume high amount of
  resources, leading to DoS (CVE-2018-20843)
Additional notes
CVE ID CVE-2018-20843
UCS Bug number #49762