Security Advisory

CVE-2019-16215

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-09-18 11:07:00
Last updated 2024-08-05 01:10:41
Assigner mitre
State PUBLISHED

Description

The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages.