How severe is CVE-2025-27837?

CVE-2025-27837 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-2025-27837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27837?

CVE-2025-27837 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27837?

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-2025-27837 have an EU (EUVD) identifier?

Yes. CVE-2025-27837 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8086.

When was CVE-2025-27837 published?

CVE-2025-27837 was published on 2025-03-25 and last updated on 2026-06-17.

CVE-2025-27837

CVE-2025-27837 is a critical-severity vulnerability in Artifex Ghostscript 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8086
Weakness: CWE-22
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. Access to arbitrary files can occur through a truncated path with invalid UTF-8 characters, for base/gp_mswin.c and base/winrtsup.cpp.

Frequently asked questions

What is CVE-2025-27837?: An issue was discovered in Artifex Ghostscript before 10.05.0. Access to arbitrary files can occur through a truncated path with invalid UTF-8 characters, for base/gp_mswin.c and base/winrtsup.cpp.
How severe is CVE-2025-27837?: CVE-2025-27837 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-2025-27837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27837?: CVE-2025-27837 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27837?: 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-2025-27837 have an EU (EUVD) identifier?: Yes. CVE-2025-27837 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8086.
When was CVE-2025-27837 published?: CVE-2025-27837 was published on 2025-03-25 and last updated on 2026-06-17.

References

https://bugs.ghostscript.com/show_bug.cgi?id=708238

Affected products (1)

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

More vulnerabilities in Artifex Ghostscript

CVE-2021-3781 — Critical (CVSS 9.9): A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting…
CVE-2025-27836 — Critical (CVSS 9.8): An issue was discovered in Artifex Ghostscript before 10.05.0. The BJ10V device has a Print buffer overflow in…
CVE-2025-27832 — Critical (CVSS 9.8): An issue was discovered in Artifex Ghostscript before 10.05.0. The NPDL device has a Compression buffer overflow for…
CVE-2025-27831 — Critical (CVSS 9.8): An issue was discovered in Artifex Ghostscript before 10.05.0. The DOCXWRITE TXTWRITE device has a text buffer overflow…
CVE-2020-36773 — Critical (CVSS 9.8): Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for…
CVE-2023-28879 — Critical (CVSS 9.8): In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data internal to…

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