{"id":"CLEANSTART-2026-RN43257","summary":"mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource con...","details":"Security vulnerability affects the apache-nifi package. A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource consumption leading to denial-of-service (DoS).","modified":"2026-10-31T16:04:21.847617051Z","published":"2026-10-31T11:52:21.992939Z","upstream":["CVE-2025-8671"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-RN43257.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-8671"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8671"}],"affected":[{"package":{"name":"apache-nifi","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/apache-nifi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-RN43257.json"}},{"package":{"name":"apache-nifi","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/apache-nifi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r5"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-RN43257.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}