Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
hivemq/hivemq-mqtt-client
master @ 037d5cd
2
Fixes
0
CVEs
HIGH
Peak severity
Highlights
Improper Certificate Validation: 1 prior fix. Scrutinize any change in this area.
src/main/java/com/hivemq/client/internal/mqtt/handler/ssl/MqttSslInitializer.java: most-fixed (2 issues). Treat as high-risk during review.
2 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Improper Certificate Validation: On specific Android API levels (24 and 25), TLS hostname verification was silently ignored because setEndpointIdentificationAlgorithm was not respected by the platform's security provider, requiring an explicit fallback verification mechanism.
Insecure TLS: Upgrades or usage of Netty 4.2 could bypass hostname verification during TLS handshakes if the endpoint identification algorithm was not explicitly configured on the SslContextBuilder.