{"id":"CVE-2026-93492","published":"2026-09-18T13:18:38.877","lastModified":"2026-09-24T10:17:38.287","description":"A flaw was found in Netty's HTTP/2 HpackEncoder. A remote attacker can exploit this by sending HTTP/2 SETTINGS frames with a very large MAX_HEADER_TABLE_SIZE. This causes the HpackEncoder to store an excessive number of unique headers, leading to increased CPU usage and memory consumption, ultimately resulting in a Denial of Service (DoS).","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-1035"],"vendors":[],"products":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:69440","tags":[]},{"url":"https://access.redhat.com/errata/RHSA-2026:69470","tags":[]},{"url":"https://access.redhat.com/security/cve/CVE-2026-93492","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536895","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}