CVE-2019-16215

https://notcve.org/view.php?id=CVE-2019-16215

18 Sep 2019 — 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. El analizador Markdown en el servidor Zulip versiones anteriores a 2.0.5, usó una expresión regular vulnerable al backtracking exponencial. Un usuario que haya iniciado sesión en el servidor podría enviar un mensaj... • https://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release • CWE-1333: Inefficient Regular Expression Complexity •