Description
In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Eclipse Foundation | Eclipse Paho MQTT C Client | unspecified – < 1.1.0 | 1.1.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | paho.mqtt.c | No fix yet | — |
| Ubuntu 26.04 LTS | paho.mqtt.c | No fix yet | — |
| Ubuntu 25.10 | paho.mqtt.c | No fix yet | — |
| Ubuntu 24.04 LTS | paho.mqtt.c | No fix yet | — |
| Ubuntu 22.04 LTS | paho.mqtt.c | No fix yet | — |