CVE catalog
CVE-2021-41036
paho.mqtt.c: CVE-2021-41036
- Severity
- Low
- Source
- [NVD] · [CVE record]
- EPSS
- 1.20% · Oct 25, 2026
In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | paho.mqtt.c | sid | 1.3.16+ds-1 | not affected |
| Debian | paho.mqtt.c | forky | 1.3.16+ds-1 | not affected |
| Debian | paho.mqtt.c | trixie | 1.3.14-2 | not affected |
| Debian | paho.mqtt.c | bookworm | 1.3.12-1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | paho.mqtt.c | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | paho.mqtt.c | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | paho.mqtt.c | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | paho.mqtt.c | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libpaho-mqtt1.3]Not affected
Source package: [paho.mqtt.c]
Details (2)
1.3.12-1· amd64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
1.3.12-1· arm64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
- [libpaho-mqtt-dev]Not affected
Source package: [paho.mqtt.c]
Details (2)
1.3.12-1· amd64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
1.3.12-1· arm64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
- [paho.mqtt.c-examples]Not affected
Source package: [paho.mqtt.c]
Details (2)
1.3.12-1· amd64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
1.3.12-1· arm64 · bookwormNot affected
dsa · paho.mqtt.c · debian · bookworm
Observed: