CVE-2026-67589: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache Qpid ProtonJ2
A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential 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.
AI Analysis
Technical Summary
This vulnerability (CWE-789) in Apache Qpid ProtonJ2 involves memory allocation with an excessive size value triggered by improper handling of type size/count parameters. An unauthenticated attacker can exploit this flaw to cause excessive memory consumption, resulting in denial of service. The affected versions are all releases through 1.1.0. The Apache Software Foundation has addressed this issue in version 1.2.0.
Potential Impact
The vulnerability can be exploited remotely without authentication to cause a denial of service by forcing the application to allocate excessive memory. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid ProtonJ2 to version 1.2.0 or later, where this issue is fixed. No other mitigations or temporary workarounds are indicated.
CVE-2026-67589: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache Qpid ProtonJ2
Description
A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential 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.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Qpid ProtonJ2
pkg:maven/Apache Software Foundation/org.apache.qpid:protonj2Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-789) in Apache Qpid ProtonJ2 involves memory allocation with an excessive size value triggered by improper handling of type size/count parameters. An unauthenticated attacker can exploit this flaw to cause excessive memory consumption, resulting in denial of service. The affected versions are all releases through 1.1.0. The Apache Software Foundation has addressed this issue in version 1.2.0.
Potential Impact
The vulnerability can be exploited remotely without authentication to cause a denial of service by forcing the application to allocate excessive memory. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid ProtonJ2 to version 1.2.0 or later, where this issue is fixed. No other mitigations or temporary workarounds are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-29T20:16:43.082Z
- State
- PUBLISHED
Threat ID: 6a72cd1dbf8831d5394f40cf
Added to database: 08/05/2026, 05:41:49 UTC
Last enriched: 08/12/2026, 14:55:51 UTC
Last updated: 09/17/2026, 22:01:37 UTC
Views: 35
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