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% (44th 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% (44th 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% (44th 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…

All CVEs affecting Artifex Ghostscript →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →