Vulnerability in Debian Devscripts
CVE-2025-8454
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.
EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Debian Devscripts — versions 0, 2.25.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (Mailing List, Issue Tracking)
Frequently asked questions
- What is CVE-2025-8454?
- CVE-2025-8454 is a critical-severity vulnerability in Debian Devscripts, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2025-08-01.
- How severe is CVE-2025-8454?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-8454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.