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Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5967","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xvq6-h898-wcj8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5967.json","tags":["advisory"]},{"url":"https://github.com/mattermost/mattermost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-5967","title":"Denial of Service via crashing the Calls Plugin","description":"Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin\n\n","status":"published","published":"2023-11-06T15:24:24.544Z","modified":"2024-09-12T19:30:12.159Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-3066","description":"Mattermost fails to 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