Description
A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log and Trace) allows arbitrary code execution because fscanf is misused (no limit on the number of characters to be read in the format argument).
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 | 2.18.5-0.3 | — |
| Debian 13 | dlt-daemon | 2.18.5-0.3 | — |
| Debian 12 | dlt-daemon | 2.18.5-0.3 | — |
| Debian 10 | dlt-daemon | 2.18.0-1+deb10u1 | DLA-3231-1 |
Ubuntu
Security tracker ↗| 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