CVE-2021-26675
Publication date 9 February 2021
Last updated 25 August 2025
Ubuntu priority
Description
A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| connman | ||
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Fixed 1.36-2ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 1.35-6ubuntu0.1~esm1
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release |
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CVSS version: CVSS v3.0
Base score
8.8 · High
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-6236-1
- ConnMan vulnerabilities
- 19 July 2023
Other references
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cb
- https://bugzilla.suse.com/show_bug.cgi?id=1181751
- https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog
- https://www.openwall.com/lists/oss-security/2021/02/08/2
- https://www.cve.org/CVERecord?id=CVE-2021-26675