CVE-2019-16215

2019-09-1812:15:10

Google

osv.dev

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

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.