CVE catalog
CVE-2026-101003
DEBIAN-CVE-2026-101003
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.46% · Oct 25, 2026
A weakness has been identified in Cesanta Mongoose up to 7.21. Affected by this vulnerability is the function fn of the file tutorials/mqtt/mqtt-server/main.c of the component MQTT Broker. Executing a manipulation can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.22 addresses this issue. This patch is called a9df523f76f43a38bd53b4232b9cfd4c16869e71. Upgrading the affected component is advised.
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 | mongoose | 14 | 7.21+ds-1 | vulnerable |
| Debian | mongoose | 14 | 7.21+ds-1~bpo13+1 | vulnerable |
| Debian | mongoose | 14 | 7.21+ds-2 | vulnerable |
| Debian | mongoose | 14 | 7.22+ds-1~bpo13+1 | vulnerable |
| Debian | mongoose | 14 | 7.22+ds-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mongoose | deb | 14 | 7.22+ds-1 | Not reported | DEBIAN-CVE-2026-101003 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: