CVE-2026-66277
Medium
Description
It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential 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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apache Qpid Proton-j
PublishedAug 5, 2026
First seenAug 5, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- apache qpid_proton-j0.35.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache qpid_proton-j | v < 0.35.0 | 0.35.0 |
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