0.0
NA
CVE-2026-67465
Apache Qpid Proton Dotnet: Unbounded symbol value caching can lead to pre-authentication resource exhaustion
Description

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.

INFO

Published Date :

Aug. 5, 2026, 6:16 a.m.

Last Modified :

Aug. 5, 2026, 6:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-67465 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Upgrade Apache Qpid Proton-Dotnet to 1.1.0 to fix denial of service vulnerability.
  • Upgrade Apache Qpid Proton-Dotnet to version 1.1.0.
  • Apply vendor-provided patches for the vulnerability.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-67465.

URL Resource
https://lists.apache.org/thread/zl2pj5fo32lbyrwof89tdyrgt67bbo0m
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-67465 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-67465 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-67465 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 05, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache Qpid Proton Dotnet', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.0.0'}], 'packageName': 'Apache.Qpid.Proton', 'defaultStatus': 'unaffected'}]
    Added Description A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.
    Added CWE CWE-770
    Added Reference https://lists.apache.org/thread/zl2pj5fo32lbyrwof89tdyrgt67bbo0m
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.