CVE-2026-67591 Details
Description
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue.
A denial-of-service vulnerability has been identified in Apache Qpid ProtonJ2 versions through 1.1.0. This issue allows an authenticated attacker to exceed the session flow control incoming window, potentially disrupting normal service operations.
Users are advised to upgrade to Apache Qpid ProtonJ2 version 1.2.0 or later, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/08/04/30 | CVE | Mailing ListThird Party Advisory |
| https://lists.apache.org/thread/rwmggh2bkm6qotxpdfcplht3jgw5n036 | [email protected] | Mailing ListVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache qpid protonj2 | < 1.2.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 7, 2026 | Initial Analysis | [email protected] |
| Aug 6, 2026 | CVE Modified | CISA-ADP |
| Aug 5, 2026 | CVE Modified | CVE |
| Aug 5, 2026 | New CVE Received | [email protected] |