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CVE-2026-93564

Red Hat Build of Apache Camel 3.33.3.SP2 · Vulnerability

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 6 Nov 2026 19:02:40 UTC. Read the latest advisory.

cve-program · CVE-2026-93564

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93564

Published

Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881)

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.

Source published
18 Sep 2026 14:13:32 UTC
Source modified
6 Nov 2026 17:12:17 UTC
Saved here
6 Nov 2026 19:02:40 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Sources read 14 Nov 20:24 UTC · 264 of 275 readable · 261 fully read · documentation 469/469 current

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