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Search Results (4 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-93491 2 Io.netty, Redhat 21 Netty-codec-http, Amq Broker, Amq Broker 7 and 18 more 2026-09-21 7.5 High
A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. This action causes the methodOverflowQueue to grow without limit, leading to unbounded heap memory consumption and a denial of service due to memory exhaustion.
CVE-2026-93492 2 Io.netty, Redhat 21 Netty-codec-http2, Amq Broker, Amq Broker 7 and 18 more 2026-09-21 5.3 Medium
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).
CVE-2026-93558 2 Io.netty, Redhat 22 Netty-codec-http, Amq Broker, Amq Broker 7 and 19 more 2026-09-21 7.5 High
A flaw was found in Netty's WebSocketServerExtensionHandler. A remote, unauthenticated attacker can exploit this vulnerability by using HTTP/1.1 pipelining to send requests faster than the application can respond. This leads to an unbounded growth of a per-connection queue, consuming excessive memory. Eventually, this can cause the Java Virtual Machine (JVM) to exhaust its heap, resulting in a Denial of Service (DoS) for the affected server.
CVE-2026-93564 1 Redhat 18 Amq Broker, Amq Broker 7, Apicurio Registry and 15 more 2026-09-21 7.5 High
A flaw was found in Netty. A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. This can lead to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.