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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-66273

Apache Qpid Proton-J: Type size/count handling can lead to excessive allocation pre-authentication

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 Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Qpid Proton-J

Default version status: unaffected

  • 0 to ≤ 0.34.1affected

References