How severe is CVE-2025-27834?

CVE-2025-27834 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27834?

CVE-2025-27834 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27834?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-27834 have an EU (EUVD) identifier?

Yes. CVE-2025-27834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8091.

When was CVE-2025-27834 published?

CVE-2025-27834 was published on 2025-03-25 and last updated on 2026-06-17.

CVE-2025-27834

CVE-2025-27834 is a high-severity vulnerability in Artifex Ghostscript with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8091
Weakness: CWE-120
Affected product: Artifex Ghostscript
Published: 2025-03-25
Last modified: 2026-06-17

Description

An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs via an oversized Type 4 function in a PDF document to pdf/pdf_func.c.

Frequently asked questions

What is CVE-2025-27834?: An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs via an oversized Type 4 function in a PDF document to pdf/pdf_func.c.
How severe is CVE-2025-27834?: CVE-2025-27834 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27834?: CVE-2025-27834 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-27834 have an EU (EUVD) identifier?: Yes. CVE-2025-27834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8091.
When was CVE-2025-27834 published?: CVE-2025-27834 was published on 2025-03-25 and last updated on 2026-06-17.

References

https://bugs.ghostscript.com/show_bug.cgi?id=708253

Affected products (1)

cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*

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