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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-09-18T11:07:00

Updated: 2024-08-05T01:10:41.419Z

Reserved: 2019-09-11T00:00:00

Link: CVE-2019-16215

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-09-18T12:15:10.910

Modified: 2024-11-21T04:30:17.403

Link: CVE-2019-16215

cve-icon Redhat

No data.