CVE-2026-67590

Summary

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.

Affected Software

Weaknesses

• CWE-674: CWE-674 Uncontrolled Recursion

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/08/04/29

References

• https://lists.apache.org/thread/kmov6k7f3moqy01m1s370fl61vgos3ly

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