CVE-2026-66276CWE-606

CVE-2026-66276

Medium · published August 5, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
50.6
In the wild
Unconfirmed
What it is

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.

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 · 50.6th percentile
Weakness
CWE-606 · Unchecked Input for Loop Condition
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/14nj0lpsqpnd3q0hw0t0tw44qvdo1jc2 · [email protected]http://www.openwall.com/lists/oss-security/2026/08/04/12 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 05 AUG 05:39Z
    Apache Qpid Proton-J: Unbounded disposition range handling can lead to denial of service
    cvelistv5