CVE-2026-67589

7.5 HIGH

Published 2026-08-05 · Updated 2026-08-07

AI risk analysis

Summary: The flaw involves improper type size/count handling that can lead to excessive memory allocation, potentially causing a denial of service.
Exploitability: Exploitation requires pre-authentication access and specific conditions on message sizes or counts; it is moderately difficult.
Blast radius: If exploited, the impact could be significant as it may disrupt services relying on affected Apache Qpid ProtonJ2 versions.
Prioritized remediation: Upgrade to Apache Qpid ProtonJ2 version 1.2.0 immediately to address this issue.

dosmemory-overflowupgrade

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-789

Vendors

apache

Products

qpid protonj2

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.