{"id":"BIT-mattermost-2022-3257","details":"Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.","aliases":["CVE-2022-3257","GHSA-m7w4-q5vg-5xfp"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T11:03:00.274Z","database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/1620170"},{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3257"}],"affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.2.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2022-3257.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.7.3"}