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CVE-2026-66276

Updated on 05 Aug 2026

Severity

6.5 Medium severity

Details

CVSS score
6.5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service.

This issue affects Apache Qpid Proton-J: through 0.34.1.

Users are recommended to upgrade to version 0.35.0, which fixes the issue.

Details

Affected product:
Spring , Wildfly , activemq , amqp-10-jms-spring-boot , artemis , camel , corda , corda-api , qpid-jms , qpid-proton-j , rabbitmq-stream-java-client
Affected packages:
proton-j @ 0.33.10 (+2303 more)