Apache Qpid Proton C: Verifying non compliant TLS wildcard cert can cause stack buffer overflow read
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EPSS probability
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Risk score
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Published
3 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
Verifying a non-compliant wildcard TLS certificate in Apache Qpid Proton C through version 0.40.0 causes a stack buffer overflow read. S0 S1
This vulnerability can lead to memory safety issues during the processing of certificates that do not comply with the RFC9525 standard. S0 S1
What should be done?
- Upgrade to version 0.41.1 as recommended S0 S1
- Use wildcard certificates complying with the RFC9525 standard S0 S1
- Follow vendor advisories S0
Chain of evidence and sources
Apache Qpid Proton C 0.40.0 ve önceki sürümler, uyumsuz TLS joker sertifikaları nedeniyle yığın arabelleği okuma taşmasından etkilenir. S0 S1
Kullanıcıların sorunu gidermek için sürüm 0.41.1 sürümüne yükseltme yapması önerilir. S0 S1
Show the technical text from the sources
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.
CWE: CWE-125
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-115942 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Apache Software Foundation | Apache Qpid Proton C | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-115942 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-115942 weaknesses.
Official Sources and Advisories
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Weakness Type (CWE & CAPEC)
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