CVE-2026-67551 PUBLISHED

Apache Qpid Proton Dotnet: Type size/count handling can lead to excessive allocation pre-authentication

Assigner: apache
Reserved: 29.07.2026 Published: 05.08.2026 Updated: 05.08.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache Qpid Proton Dotnet
Versions Default: unaffected
  • affected from 0 to 1.0.0 (incl.)

References

Problem Types

  • CWE-789 Memory Allocation with Excessive Size Value CWE