CVE-2026-115942: Apache Qpid Proton C · Out-of-bounds Read
Affects Apache Qpid Proton CSource CVE Database V5
Not known to be exploited · fixed in 0.41.1 : patch Apache Qpid Proton C soon.
Data as of 29 Oct 2026, 11:32 UTC
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
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software FoundationApache Qpid Proton C | Affected
| Fixed in– |
AI-suggested
Users should upgrade Apache Qpid Proton C to version 0.41.1 or later, where the issue is fixed by enforcing RFC9525-compliant wildcard TLS certificates. No other mitigation is indicated or required.
Description
A misconfigured wildcard TLS certificate causes a stack read overflow. This issue does not affect any wildcard certificate issued to the RFC9525 standard - the fix only accepts certificates that comply to this standard. 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.