CVE-2026-40046

CVE-2026-40046 is an Integer Overflow/Wraparound vulnerability in Apache ActiveMQ and related modules (ActiveMQ, ActiveMQ All, ActiveMQ MQTT) caused by improper validation of the MQTT remaining length field. A fix intended for CVE-2025-66168 was applied only to 5.19.2+ but was missed for 6.0.0–6....