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 …

Medium CVSS 6.5

CVECVE-2026-66276

First seen2026-08-07 15:16 UTC

Disclosed2026-08-05 07:16 UTC

Last updated2026-08-07 15:16 UTC

Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

https://lists.apache.org/thread/14nj0lpsqpnd3q0hw0t0tw44qvdo1jc2 Mailing List
http://www.openwall.com/lists/oss-security/2026/08/04/12 Mailing List

Timeline

2026-08-07 nvd_ingest NVD