Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
CVE ID: CVE-2023-2831
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.3
Vendor: Mattermost
Product: Mattermost
EPSS Score: 0.09% (probability of being exploited)
EPSS Percentile: 38.28% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)