Vulnerability · Published Aug 1, 2025 · Assigned by debian

CVE-2025-8454

Critical 9.8

In plain English

A critical-severity security flaw in devscripts from Debian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 80.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12devscriptsno fix listedDEBIAN-CVE-2025-8454
Debian:13devscriptsno fix listedDEBIAN-CVE-2025-8454
Debian:14devscriptsno fix listedDEBIAN-CVE-2025-8454
Ubuntu:22.04:LTSdevscriptsno fix listedUBUNTU-CVE-2025-8454
Ubuntu:24.04:LTSdevscriptsno fix listedUBUNTU-CVE-2025-8454
Ubuntu:25.10devscriptsno fix listedUBUNTU-CVE-2025-8454
Ubuntu:26.04:LTSdevscriptsno fix listedUBUNTU-CVE-2025-8454
Ubuntu:26.10devscriptsno fix listedUBUNTU-CVE-2025-8454

Affected products (as reported)

VendorProductVersions
Debian devscripts 0

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References