CVE-2026-44248
1 advisory.
Maven/io.netty:netty-codec-mqtt CVE-2026-44248: medium 5.3, EPSS 0.72%
Netty MQTT: Resource exhaustion in MqttDecoder
Action: Upgrade io.netty:netty-codec-mqtt to 4.1.133.Final (4.1.x) or 4.2.13.Final (4.2.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.2.0.Alpha1 | 4.2.13.Final | - |
| 0 | 4.1.133.Final | - |
Fixed versions
| 4.2.13.Final | 4.1.133.Final |
Sources
- osv: GHSA-jfg9-48mv-9qgx
- https://github.com/netty/netty/security/advisories/GHSA-jfg9-48mv-9qgx
- https://nvd.nist.gov/vuln/detail/CVE-2026-44248
- https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901027
- https://github.com/netty/netty
CVE-2026-44248 · published · modified · JSON