{"id":"CLEANSTART-2026-XK97843","summary":"HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023","details":"Security vulnerability affects the go package. The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.","modified":"2026-10-06T01:00:15.128297765Z","published":"2026-10-06T00:35:17.611964Z","upstream":["CVE-2023-44487"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-XK97843.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2023-44487"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-44487"}],"affected":[{"package":{"name":"go","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XK97843.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}