Allocation of Resources Without Limits or Throttling in Apache Qpid Proton-J - CVE-2026-66277
Published: August 24, 2026
Vulnerability identifier: #VU144813
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-66277
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper resource management in incoming delivery transfer frame handling when processing an incoming delivery with an excessive number of transfer frames. A remote user can send a delivery composed of excessive transfer frames to cause a denial of service.
Affected software
Apache Qpid Proton-J
How to mitigate CVE-2026-66277
Install security update from vendor's website.
Apache Qpid Proton-J - update to 0.35.0