Description
An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.
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 | dlt-daemon | 2.18.6-2.1 | — |
| Debian 13 | dlt-daemon | 2.18.6-2.1 | — |
| Debian 12 | dlt-daemon | 2.18.6-2.1 | — |
| Debian 10 | dlt-daemon | 2.18.0-1+deb10u1 | DLA-3231-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | dlt-daemon | No fix yet | — |
| Ubuntu 26.04 LTS | dlt-daemon | No fix yet | — |
| Ubuntu 25.10 | dlt-daemon | No fix yet | — |
| Ubuntu 24.04 LTS | dlt-daemon | No fix yet | — |
| Ubuntu 22.04 LTS | dlt-daemon | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | dlt-daemon | No fix yet | — |
Advisories 1
- DLA-3231-1 dlt-daemon - security update Debian Security (DSA / DLA) · Mar 9, 2026