Skip to main content
EPSS 0.4%top 65%

CVE-2026-67555: CWE-770 Allocation of Resources Without Limits or Throttling in Apache Software Foundation Apache Qpid Proton Dotnet

0
Medium
VulnerabilityCVE-2026-67555cvecve-2026-67555cwe-770
Published: 08/05/2026 (08/05/2026, 05:43:57 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Qpid Proton Dotnet

Description

A resource allocation vulnerability exists in Apache Qpid Proton-Dotnet through version 1.0.0, where the maximum number of transfer frames per incoming delivery could not be limited. This flaw allows an authenticated attacker to cause excessive resource consumption, potentially leading to denial of service. The issue is fixed in version 1.1.0.

CVSS v3.1

Score 6.5medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

Apache Software Foundation

Apache Qpid Proton Dotnet

Affected versions
>=0 <=1.0.0
apache.qpid.proton.dotnet
pkg:nuget/apache.qpid.proton.dotnet
Affected versions
<1.1.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 15:25:12 UTC

Technical Analysis

CVE-2026-67555 describes a CWE-770 vulnerability in Apache Qpid Proton-Dotnet where the software does not enforce limits on the number of transfer frames per incoming delivery. This lack of throttling can be exploited by an authenticated attacker to cause excessive resource usage, resulting in a denial of service condition. The vulnerability affects all versions prior to 1.1.0. Upgrading to version 1.1.0 addresses the issue.

Potential Impact

The vulnerability can be exploited by an authenticated attacker to cause excessive resource consumption, leading to denial of service. There is no impact on confidentiality or integrity reported.

Mitigation Recommendations

Users should upgrade Apache Qpid Proton-Dotnet to version 1.1.0 or later, where this issue is fixed. No other mitigations or temporary workarounds are indicated.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-07-29T19:09:50.914Z
State
PUBLISHED

Threat ID: 6a72d7b2bf8831d5395e845d

Added to database: 08/05/2026, 06:26:58 UTC

Last enriched: 08/12/2026, 15:25:12 UTC

Last updated: 09/17/2026, 22:01:37 UTC

Views: 26

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses