CVE-2026-67551

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.

References

• https://lists.apache.org/thread/o566fhkrr3gg0lyzt24xwvz9w94oo6ro
• http://www.openwall.com/lists/oss-security/2026/08/04/22