CVE-2026-67551 Details
Description
pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
A denial-of-service vulnerability has been identified in Apache Qpid Proton-Dotnet versions through 1.0.0. This issue arises from type size and count handling, which can be exploited by a pre-authentication attacker to cause excessive memory allocation.
Users are advised to upgrade to Apache Qpid Proton-Dotnet version 1.1.0 or later, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 6, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/08/04/22 | CVE | Third Party Advisory |
| https://lists.apache.org/thread/o566fhkrr3gg0lyzt24xwvz9w94oo6ro | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-789 | Memory Allocation with Excessive Size Value | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache qpid proton-dotnet | < 1.1.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 7, 2026 | Initial Analysis | [email protected] |
| Aug 6, 2026 | CVE Modified | CISA-ADP |
| Aug 5, 2026 | CVE Modified | CVE |
| Aug 5, 2026 | New CVE Received | [email protected] |