CVE-2026-67590

Apache Qpid ProtonJ2: Unbounded type nesting can lead to pre-authentication stackoverflow

Published Aug 5, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache qpid Proton-j
Vendors & Products Apache
Apache qpid Proton-j
Type Values Removed Values Added
Description A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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.
Title Apache Qpid ProtonJ2: Unbounded type nesting can lead to pre-authentication stackoverflow
Weaknesses CWE-674
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Aug 6, 2026, 3:38 PM
Reserved
Jul 29, 2026, 8:22 PM
Status
Analyzed
Published
Aug 5, 2026, 7:16 AM
Modified
Oct 24, 2026, 4:10 PM