Skip to content
OpenAdvisories

Product · Apache Software Foundation

Apache Qpid Proton C

4 known vulnerabilities.

Apache Qpid Proton C at a glance

Last 12 months
4
Critical · all time
3
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 4 vulnerabilities, 3 critical November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202643
Sep 202600
Aug 202600
Jul 202600
Jun 202600
May 202600
Apr 202600
Mar 202600
Feb 202600
Jan 202600
Dec 202500
Nov 202500
Oct 202500
Sep 202500
Aug 202500
Jul 202500
Jun 202500
May 202500
Apr 202500
Mar 202500
Feb 202500
Jan 202500
Dec 202400

4 results · Feed

  • High 7.5

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

    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…

  • Critical 9.8

    Apache Qpid Proton C: Potential authentication bypass: regular AMQP frames can be sent as SASL frames

    When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with thi…

  • Critical 9.8

    Apache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can lead to crash

    A message body that is deeply nested and decoded by pn_message_body() could overflow the stack and cause a crash. 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.

  • Critical 9.1

    Apache Qpid Proton C: The OpenSSL TLS implementation adds a locally trusted certificate authority to the existing trusted system trust anchors.

    When using the OpenSSL TLS implementation, both the pn_ssl_domain_set_trusted_ca_db() & pn_tls_config_set_trusted_certs() APIs added to rather than replaced the default system trust anchors. Leading to potentially trusting unexpected peer certificates. This c…