{"id":"GHSA-8grv-jq2g-cfhw","aliases":[],"url":"https://o3.security/vulnerability/GHSA-8grv-jq2g-cfhw","summary":"amphp/http-server affected by HTTP/2 DDoS vulnerability","details":"Versions of `amphp/http-server` prior to `3.4.4` for the 3.x release branch and prior to `2.1.10` for the 2.x release branch are vulnerable to the HTTP/2 \"MadeYouReset\" DoS attack described by CVE-2025-8671 and https://kb.cert.org/vuls/id/767506.\n\nIn versions `3.4.4` and `2.1.10`, stream reset protection has been refactored to account for the number of reset streams within a sliding time window.\n\nNote that your application must expose HTTP/2 connections directly to be affected by this vulnerability. Servers behind a proxy using HTTP/1.x such as nginx are not affected.","published":"2026-02-10T00:25:41Z","modified":"2026-02-10T00:38:54.311926Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"amphp/http-server","fixedVersion":"3.4.4"},{"ecosystem":"Packagist","name":"amphp/http-server","fixedVersion":"2.1.10"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/amphp/http-server/security/advisories/GHSA-8grv-jq2g-cfhw"},{"type":"PACKAGE","url":"https://github.com/amphp/http-server"},{"type":"WEB","url":"https://github.com/amphp/http-server/releases/tag/v2.1.10"},{"type":"WEB","url":"https://github.com/amphp/http-server/releases/tag/v3.4.4"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-02-10T00:38:54.311926Z"}}