CVE-2026-66276
published 2026-08-05CVE-2026-66276: 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…
PriorityP434medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
0.42%
35.0th percentile
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
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | qpid_proton-j | < 0.35.0 | 0.35.0 |
| apache | qpid_proton-j | — | — |
| apache_software_foundation | apache_qpid_proton-j | <= 0.34.1 | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
vendor_redhat6.5MEDIUM
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GHSA
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.
ghsa_unreviewed·2026-08-05
CVE-2026-66276 CWE-606 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.
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.
Red Hat
Apache Qpid Proton-J: Apache Qpid Proton-J: Denial of service via unbounded disposition range handling
vendor_redhat·2026-08-05·CVSS 6.5
CVE-2026-66276 [MEDIUM] CWE-606 Apache Qpid Proton-J: Apache Qpid Proton-J: Denial of service via unbounded disposition range handling
Apache Qpid Proton-J: Apache Qpid Proton-J: Denial of service via unbounded disposition range handling
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.
A flaw was found in Apache Qpid Proton-J. An authenticated attacker can exploit this vulnerability by crafting a specially designed disposition frame with large or illegal ranges. This can cause excessive CPU usage due to naive range handling, leading to a denial of service (DoS) for the affected system.
Statement: Red Hat ships Apache Qpid Proton-J in several middleware products. All af
No detection rules found.
No public exploits indexed.
2026-08-05
Published