CVE-2023-5196: Mattermost Uncontrolled Resource Consumption vulnerability

September 29, 2023

Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.

References

github.com/advisories/GHSA-33r7-wjfc-7w98
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2023-5196

Code Behaviors & Features

Detect and mitigate CVE-2023-5196 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →