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wolfSSL / wolfMQTT Public

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Fix various spec compliance gaps#504

Merged

dgarske merged 32 commits into

wolfSSL:masterwolfSSL/wolfMQTT:masterfrom

embhorn:gh_issuesembhorn/wolfMQTT:gh_issuesCopy head branch name to clipboard

May 8, 2026

Conversation Commits32 (32)Checks Files changed

Merged

Fix various spec compliance gaps#504
dgarske merged 32 commits into
wolfSSL:masterfrom
embhorn:gh_issues

Commits

Commits on May 5, 2026

Fix SUBSCRIBE Fixed-Header Flags Do Not Trigger Malformed Close (#486)
embhorn
committed
Fix Zero-Length ClientId Unique Assignment
embhorn
committed
Fix UTF-8 handling
embhorn
committed
Fix Unsupported Protocol Level Is Not Rejected with CONNACK 0x01
embhorn
committed
Fix CONNACK Flags Receive-Side Validation
embhorn
committed
Fix PUBLISH DUP Initial-Send and QoS0 Constraint Is Not Enforced by the Generic Encoder
embhorn
committed
Handle QoS2 Duplicate PUBLISH Forwarded Before PUBREL
embhorn
committed
Fix Packet Identifier In-Use Collision Is Not Rejected
embhorn
committed
Fix Packet Identifier Zero Acceptance on Receive Paths
embhorn
committed
Cleanup
embhorn
committed
Fix Packet Identifier Reuse State Is Not Centrally Modeled
embhorn
committed
Fix Password Flag 0 Extra Payload Is Accepted
embhorn
committed
Cleanup
embhorn
committed
Password Flag Without User Name Flag Is Accepted
embhorn
committed
Fix CONNECT Flags Cross-Constraint Violations Are Accepted
embhorn
committed
Fix Empty SUBSCRIBE and UNSUBSCRIBE Payloads Are Accepted
embhorn
committed
Fix PINGREQ, PINGRESP, and DISCONNECT Nonzero Remaining Length Is Accepted
embhorn
committed
Fix PUBACK, PUBREC, PUBREL, and PUBCOMP Accept Extra Payload in MQTT 3.x
embhorn
committed
Fix SUBSCRIBE Requested QoS Options Are Accepted Without Strict Validation
embhorn
committed
Test DISCONNECT Fixed Header Reserved Bits Are Not Validated
embhorn
committed
Fix Retained Message QoS Is Not Stored
embhorn
committed
Fix SUBACK Return Code issues
embhorn
committed
Fix CONNACK Session Present Is Not Set When a Persistent Session Is Resumed
embhorn
committed
Fix topic filtering issues
embhorn
committed
Fix PUBLISH Topic Names validation
embhorn
committed
Fix CONNECT User Name Validation
embhorn
committed
Fix LWT Validation Issues
embhorn
committed
Fixes from review
embhorn
committed

Commits on May 6, 2026

Fix from review
embhorn
committed
Fix MqttClientNet_DeInit to release pipe
embhorn
committed

Commits on May 8, 2026

Fixes from review
embhorn
committed
Fix from review
embhorn
committed

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