Paper/Archive/CVE-2026-105042

CVE-2026-105042

Apache Software Foundation Apache Qpid Proton C — Apache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can lead to crash

EPSS 0.2%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 13.7.137 × 202.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Apache Qpid Proton C≤ 0.40.0–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread.html/7v54gx7o1ptxcz3h9549w3h9oxo3ns28 refopenwall.com/lists/oss-security/2026/10/28/23