CVE-2026-67553Apache Qpid Proton Dotnet: Incoming session flow control window can be exceeded
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Qpid Proton Dotnet and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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An authenticated attacker could exceed the session flow control incoming window 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.
- CVSS
- 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Qpid Proton Dotnet apache_software_foundation:apache_qpid_proton_dotnet (from the name) | through 1.0.0 | CNA record |
apache qpid_proton-dotnet apache:qpid_proton-dotnet | before 1.1.0 | NVD |
References
- https://lists.apache.org/thread/hvsncmcbgjrn85crs909nf4y3dqqrywovendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/08/04/24mailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.