Skip to main content
← All vulnerabilities
CVE-2026-115942EUVD-2026-112720GHSA-H5R3-V75J-GX8V

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

Published
Last modified
published
Not listed in CISA KEV
Low (apache)
None on Exploit-DB, Metasploit or GitHub

Summary

Apache Qpid Proton C, a messaging library used for AMQP communication, is affected when it verifies TLS certificates that use non-compliant wildcard names. Exploitation of this flaw could cause a stack buffer over-read, which may crash the application or expose memory contents, but it does not affect wildcard certificates that follow the RFC 9525 standard.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Record last updated

Affected versions

  • Apache Software Foundation Apache Qpid Proton C

    through 0.40.0

References 1

lists.apache.org