CVE-2025-8454
CVE-2025-8454 is a critical-severity vulnerability in Debian Devscripts with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23342
- Weakness: CWE-347
- Affected product: Debian Devscripts
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-8454?
- CVE-2025-8454 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-8454 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-8454?
- CVE-2025-8454 affects Debian Devscripts. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-8454?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-8454 have an EU (EUVD) identifier?
- Yes. CVE-2025-8454 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23342.
- When was CVE-2025-8454 published?
- CVE-2025-8454 was published on 2025-08-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:debian:devscripts:2.25.15:*:*:*:*:*:*:*
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