CVE-2026-66277CWE-770denial-of-service

CVE-2026-66277

Medium · published August 5, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
50.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00653 · 50.7th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-08-05T11:16Z
Affected products (1)
ProductVersionsFixed in
apache/qpid_proton-j< 0.35.00.35.0
References (2)
https://lists.apache.org/thread/48tflr3sx0sxq9bcdy5rh06oy3gmwx02 · [email protected]http://www.openwall.com/lists/oss-security/2026/08/04/13 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 05 AUG 05:42Z
    Apache Qpid Proton-J: Unable to govern the maximum number of transfer frames per incoming delivery
    cvelistv5