Bug 2511337 (CVE-2026-66274) - CVE-2026-66274 org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting
Summary: CVE-2026-66274 org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Serv...
Keywords:
Status: NEW
Alias: CVE-2026-66274
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-05 07:01 UTC by OSIDB Bzimport
Modified: 2026-08-05 07:06 UTC (History)
52 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-08-05 07:01:16 UTC 
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.
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