---
id: CVE-2026-105042
title: >-
  Apache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can
  lead to crash
summary: >-
  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 fi…
severity: none
cwe:
  - CWE-674
vendor: Apache Software Foundation
product: Apache Qpid Proton C
affected:
  - apache_qpid_proton_c <= 0.40.0
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T11:08:30.677Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-105042'
references:
  - url: 'https://lists.apache.org/thread.html/7v54gx7o1ptxcz3h9549w3h9oxo3ns28'
tags:
  - cve.org
epss: 0.00228
epssPercentile: 0.13676
ingestedAt: '2026-11-01T17:57:46.229Z'
---

## Overview

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.

## Affected

- `apache_qpid_proton_c <= 0.40.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.