Read the docs
TI-2026-82340 Aliases CVE-2026-105042GHSA-fr7g-693q-6w7x

Apache Qpid Proton C: unbounded recursion in AMQP body parsing can crash

Priority MEDIUM 49CWE-674Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-674.

Summary

Apache Qpid Proton C through 0.40.0 is affected. Unbounded recursion (CWE-674) lets a deeply nested message body overflow the stack when it is decoded by pn_message_body(). A remote attacker without privileges or user interaction can send such a message to crash the application.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00464 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Qpid Proton Cup to 0.40.0—No fix listedCNA
  • Apache Qpid Proton C VendorApache Affected up to 0.40.0 Fixed in — No fix listed CNA

Remediation

Upgrade Apache Qpid Proton C to version 0.41.1, which fixes the issue. Red Hat reports no available plan for Red Hat AMQ Clients, Red Hat OpenShift Container Platform 4, Red Hat OpenStack Platform 13 (Queens), Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 17.1 and other products.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat AMQ ClientsAffectedNo fix yet
Red Hat OpenShift Container Platform 4AffectedNo fix yet
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix yet
Red Hat OpenStack Platform 16.2AffectedNo fix yet
Red Hat OpenStack Platform 17.1AffectedNo fix yet
Red Hat Service Interconnect 2AffectedNo fix yet

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-105042
  2. 2026-10-29 Alias added: GHSA-fr7g-693q-6w7x
  3. 2026-11-05 Affected versions changed · Red Hat
  4. 2026-11-05 CVSS score added · Red Hat
  5. 2026-11-05 CVSS score added · CISA ADP
  6. 2026-11-05 CISA SSVC decision points changed
  7. 2026-11-05 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-30292 Apache OFBiz: Confused controller-view authorization logic (forced browsing) KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26062 Apache OFBiz: Unauthenticated endpoint could allow execution of screen rendering code KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-21190 Apache OFBiz: Path traversal leading to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18186 Apache HugeGraph-Server: Command execution in gremlin KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
See all 4053 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences