CVE-2026-66277

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/48tflr3sx0sxq9bcdy5rh06oy3gmwx02	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/04/13	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:qpid_proton-j:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-08-05 07:16

Updated : 2026-08-07 13:05

NVD link : CVE-2026-66277

Mitre link : CVE-2026-66277

CVE.ORG link : CVE-2026-66277

JSON object : View

Products Affected

apache

qpid_proton-j

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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