CVE-2026-66276
CVE-2026-66276: 2 tracked advisory records across Apache, Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Apache
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-66276] Apache Qpid Proton-J: 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
CVE-2026-66276Source published Source updated
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.
- Affected products in this advisory
- Apache Qpid Proton-J
- Source-reported affected versions
- through 0.34.1
- Source-reported fixed versions
- 0.35.0
- Mitigation guidance
- Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-66276] Denial of service via unbounded disposition range handling
CVE-2026-66276Source published Source updated
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. All affected versions are set to AFFECTED/DEFER as the CVSS score (6.5) is below the 7.0 threshold for immediate remediation. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-606. Affected Red Hat products: Red Hat AMQ Broker 7; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat build of Quarkus; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise…
- Affected products in this advisory
- Red Hat AMQ Broker 7
- Red Hat build of Apache Camel 4 for Quarkus 3
- Red Hat build of Apache Camel for Spring Boot 4
- Red Hat build of Quarkus
3 more entries in the full advisory.
- Source-reported affected versions
- 0.34.1
- Source-reported fixed versions
- 0.35.0
- Mitigation guidance
- Ensure authenticated access to AMQP endpoints is restricted to trusted clients.
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