CVE-2026-115942CWE-125

CVE-2026-115942: vulnerability in Apache Qpid Proton C

Apache Qpid Proton C: Verifying non compliant TLS wildcard cert can cause stack buffer overflow read

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.1%
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.
Affected products
Apache Software Foundation · Apache Qpid Proton C
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In the same product, most dangerous first.

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