Description
An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | connman | 1.36-2.4 | — |
| Debian 13 | connman | 1.36-2.4 | — |
| Debian 12 | connman | 1.36-2.4 | — |
| Debian 11 | connman | 1.36-2.2+deb11u1 | DSA-5231-1 |
| Debian 10 | connman | 1.36-2.1~deb10u4 | DLA-3144-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | connman | 1.33-3+deb9u3 | DLA-2915-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | connman | 1.36-2.3ubuntu0.1 | USN-6236-1 |
| Ubuntu 20.04 LTS | connman | 1.36-2ubuntu0.1 | USN-6236-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | connman | 1.35-6ubuntu0.1~esm1 | USN-6236-1 |
| Ubuntu Pro 16.04 LTS | connman | 1.21-1.2+deb8u1ubuntu0.1~esm1 | USN-6236-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | connman | 1.41-1.1 | openSUSE-SU-2024:11792-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | connman | 1.41-r0 | — |
| Alpine v3.23 | connman | 1.41-r0 | — |
| Alpine v3.22 | connman | 1.41-r0 | — |
| Alpine v3.21 | connman | 1.41-r0 | — |
| Alpine v3.20 | connman | 1.41-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | connman | 1.41-r0 | — |
| Alpine v3.18 | connman | 1.41-r0 | — |
| Alpine v3.17 | connman | 1.41-r0 | — |
| Alpine v3.16 | connman | 1.41-r0 | — |
Advisories 5
- USN-6236-1 connman vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5231-1 connman - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3144-1 connman - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2915-1 connman - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11792-1 connman-1.41-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026