CVE-2026-67552

Description

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to 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

References

• https://lists.apache.org/thread/4dyg0gycrv55ox4oywqght61b053g8xj
• http://www.openwall.com/lists/oss-security/2026/08/04/23