{"id":"CVE-2022-1337","aliases":["BIT-mattermost-2022-1337","GHSA-f37q-q7p2-ccfc","GO-2022-0595"],"url":"https://o3.security/vulnerability/CVE-2022-1337","summary":"OOM DoS in Mattermost image proxy","details":"The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.","published":"2022-04-13T17:06:00Z","modified":"2026-08-12T03:51:43.362357323Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","fixedVersion":"6.4.2"}],"fix":null,"references":[{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1337.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1337"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:43.362357323Z"}}