CVE-2025-8454: Debian Devscripts

Critical severity, CVSS 9.8. EPSS: 0.2% chance of exploitation in the next 30 days.

It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification if the upstream source is already downloaded from a previous run even if the verification failed back then.

Affected products

• Debian Devscripts: version 2.25.15 only

Published 2025-08-01. Last modified 2026-06-17.