Out-of-bounds Read Affecting connman package, versions <1.35-6ubuntu0.1~esm1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.09% (27th percentile)

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  • Snyk IDSNYK-UBUNTU1804-CONNMAN-2361663
  • published22 Mar 2026
  • disclosed28 Jan 2022

Introduced: 28 Jan 2022

CVE-2022-23097  (opens in a new tab)
CWE-125  (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.

An issue was discovered in the DNS proxy in Connman through 1.40. forward_dns_reply mishandles a strnlen call, leading to an out-of-bounds read.

CVSS Base Scores

version 3.1