{"id":"CVE-2022-39288","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-39288","generatedAt":"2026-11-04T23:59:59.602Z","title":"Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header.","description":"fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in commit `fbb07e8d` and will be included in release version 4.8.1. Users are advised to upgrade. Users unable to upgrade may manually filter out http content with malicious Content-Type headers.","published":"2022-10-10T21:15:11.000Z","lastModified":"2026-06-17T04:58:05.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-754"],"affected":["fastify/fastify"],"epss":{"score":0.59244,"percentile":0.99119,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 59.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3","tags":["Patch","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rg","tags":["Mitigation","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/fastify/fastify/security/policy","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rg","tags":["Mitigation","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/fastify/fastify/security/policy","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-39288","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}