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VulnerabilityPublished

CVE-2026-105042: A message body that is deeply nested and decoded by pn_message_body() could overflow the stack and

Source GCVE Database

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Authoritative record:CVE-2026-105042· High

Not known to be exploited · fixed in 0.41.1 : patch Apache Qpid Proton C soon.

Data as of 29 Oct 2026, 13:47 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 0.41.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Apache Software FoundationApache Qpid Proton CAffected
  • <=0.40.0
Fixed in–

AI-suggested

Users should upgrade Apache Qpid Proton C to version 0.41.1 or later to remediate this vulnerability. No other mitigation steps are indicated.

Description

A vulnerability in Apache Qpid Proton C through version 0.40.0 allows a deeply nested message body decoded by pn_message_body() to overflow the stack and cause a crash. The issue is fixed in version 0.41.1.

References

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