CVE-2026-67588 Details
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 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 arises from unbounded symbol value caching, which can be exploited by a pre-authentication attacker to cause resource exhaustion.
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/2026/08/04/27 | CVE | Mailing ListThird Party Advisory |
| https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt | [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
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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] |