{"id":"GHSA-m7w4-q5vg-5xfp","summary":"Mattermost subject to Denial of Service via upload of special GIF","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":["BIT-mattermost-2022-3257","CVE-2022-3257"],"modified":"2023-12-06T01:02:21.507277Z","published":"2022-09-25T00:00:21Z","database_specific":{"github_reviewed_at":"2022-09-28T14:14:03Z","nvd_published_at":"2022-09-23T15:15:00Z","cwe_ids":["CWE-434"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3257"},{"type":"WEB","url":"https://hackerone.com/reports/1620170"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost-server"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.1.0"},{"fixed":"7.2.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/09/GHSA-m7w4-q5vg-5xfp/GHSA-m7w4-q5vg-5xfp.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}