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OpenAdvisories
High · 7.5 CVE-2026-66274 EUVD-2026-53082GHSA-p2gc-fm5w-94jj

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

Published Aug 5, 2026 · Updated Aug 6, 2026 · Assigned by apache

Description

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to 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

VendorProductAffectedFixed
Apache Software Foundation Apache Qpid Proton-J ≤ 0.34.1 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling logstash-9.3 +1 No fix yet —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven org.apache.qpid:proton-j < 0.35.0 0.35.0 GHSA-p2gc-fm5w-94jj

References