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.
Affected products
apache: qpid protonj2
References2
- lists.apache.org/thread/bs24x4778dh72xtfs299cy8krvdlo47q Vendor Advisory
- www.openwall.com/lists/oss-security/2026/08/04/28 Third Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 56 · as of 13 November 2026
- CWE
- CWE-789
Could this be exploited in your environment?
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