CVE-2025-8454CRITICAL 9.8EPSS p12.9%

CVE-2025-8454CVE-2025-8454

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.22% probability of exploitation · percentile 12.9% · 2026-06-18T12:00:27Z
Published2025-08-01
Last modified2025-08-06

Underlying weaknesses· 1

CWE-347

References

  1. https://bugs.debian.org/1109251

1

TypeTargetConfidenceTier
WeaknessImproper Verification of Cryptographic Signaturecwe-3470%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.