PT-2026-67956 · Apache · Qpid Proton-Dotnet

CVE-2026-67551

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Published

2026-08-05

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Updated

2026-08-07

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Apache Qpid Proton-Dotnet versions prior to 1.1.0
Description A pre-authentication attacker can exploit the way type size and count are handled to trigger excessive memory allocation, which may result in a denial of service.
Recommendations Upgrade to version 1.1.0.

Exploit

Fix

DoS

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Weakness Enumeration

Related Identifiers

CVE-2026-67551

Affected Products

Qpid Proton-Dotnet