CVE-2026-93492 - Io.netty/netty-codec-http2: netty: http/2 hpackencoder dos with large table size

CVE-2026-93492 - Io.netty/netty-codec-http2: netty: http/2 hpackencoder dos with large table size

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/18/2026 - 16:32
CVE ID :CVE-2026-93492
Published : Sept. 18, 2026, 12:49 p.m. | 19 minutes ago
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).
Severity: 5.3 | MEDIUM
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