9.8

CVE-2025-8454: debian devscripts

CVSS: 9.8v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2025-8454DEBIAN-CVE-2025-8454
Published 01-08-2025Last modified 01-08-2025

Vulnerability summary

CVE-2025-8454 is a critical (CVSS 9.8) vulnerability in debian devscripts. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-08-2025
    PublishedVulnerability first disclosed.
  2. 01-08-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • devscriptsAll versions (No fix recorded)
  • devscriptsAll versions (No fix recorded) | 2.25.15
Ubuntu1 product
  • devscriptsAll versions (No fix recorded)

2 vendors · 3 products

References

5 links