Not yet scoredPublished Oct 29, 2026

CVE-2026-105042Apache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can lead to crash

Updated under an hour ago (Oct 29, 2026, 11:23 PM ET)

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It affects Apache Software Foundation Apache Qpid Proton C. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: Not yet scored
Weakness (CWE): CWE-674
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Deferred
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 29, 2026

Affected products

Affected products

Apache Software Foundation Apache Qpid Proton C apache_software_foundation:apache_qpid_proton_c (from the name)	through 0.40.0	CNA record

References

References

https://lists.apache.org/thread.html/7v54gx7o1ptxcz3h9549w3h9oxo3ns28	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/10/28/23

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.