View at Official alpine advisory, NVD, CVE.org · CVE detail
Freshness: no update timestamp found; verify against the upstream OS advisory manually.
CVE-2021-28166: 1 source package rows (mosquitto); 12 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 5.
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.