CVE-2026-67552Apache Qpid Proton Dotnet: Unbounded type nesting can lead to pre-authentication stackoverflow
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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Free account, 1 product
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
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-674
- 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/4dyg0gycrv55ox4oywqght61b053g8xjvendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/08/04/23mailing-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.