Description
A message body that is deeply nested and decoded by pn_message_body() could overflow the stack and cause a crash.



This issue affects Apache Qpid Proton C: through 0.40.0.



Users are recommended to upgrade to version 0.41.1, which fixes the issue.
Published: 2026-10-29
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Fri, 06 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 05 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Thu, 05 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important


Thu, 29 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache qpid Proton-c
Vendors & Products Apache
Apache qpid Proton-c

Thu, 29 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
References

Thu, 29 Oct 2026 10:30:00 +0000

Type Values Removed Values Added
Description A message body that is deeply nested and decoded by pn_message_body() could overflow the stack and cause a crash. This issue affects Apache Qpid Proton C: through 0.40.0. Users are recommended to upgrade to version 0.41.1, which fixes the issue.
Title Apache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can lead to crash
Weaknesses CWE-674
References

Subscriptions

Apache Qpid Proton-c
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-11-05T21:29:09.604Z

Reserved: 2026-10-02T21:31:42.230Z

Link: CVE-2026-105042

cve-icon Vulnrichment

Updated: 2026-10-29T11:08:30.677Z

cve-icon NVD

Status : Deferred

Published: 2026-10-29T11:17:24.410

Modified: 2026-11-05T22:17:42.827

Link: CVE-2026-105042

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-29T10:17:20Z

Links: CVE-2026-105042 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T23:30:16Z

Weaknesses