CVE-2021-26676 Affecting connman package, versions <1.35-6ubuntu0.1~esm1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.16% (65th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU1804-CONNMAN-1123304
  • published22 Mar 2026
  • disclosed9 Feb 2021

Introduced: 9 Feb 2021

CVE-2021-26676  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 connman to version 1.35-6ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream connman package and not the connman package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

CVSS Base Scores

version 3.1