CVE-2025-8454

CRITICAL

devscripts - Improper Verification of Cryptographic Signature in uscan

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Issue Tracking, Mailing List
https://bugs.debian.org/1109251

Scores

CVSS v3 9.8
EPSS 0.0022
EPSS Percentile 12.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-347
Status published
Products (1)
debian/devscripts 2.25.15
Published Aug 01, 2025
Tracked Since Feb 18, 2026