Description
scripts/grep-excuses.pl in Debian devscripts through 2.18.3 allows code execution through unsafe YAML loading because YAML::Syck is used without a configuration that prevents unintended blessing.
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 | devscripts | 2.18.4 | — |
| Debian 13 | devscripts | 2.18.4 | — |
| Debian 12 | devscripts | 2.18.4 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | devscripts | 2.17.12ubuntu1.1 | USN-3704-1 |
Advisories 1
- USN-3704-1 devscripts vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
References
- https://bugs.debian.org/902409
- USN-3704-1 vendor-advisory