CVE-2026-67554 — Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service

CVE-2026-67554

Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service PUBLISHED

Description (CNA)

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Qpid Proton Dotnet	affected 0 through 1.0.0

CWE

CWE-606

References

https://lists.apache.org/thread/5ndlowz29464ytj98gz9z9ljhwnmb2hm

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/08/04/25

CISA-ADP

No English description supplied.

No references supplied.