How severe is CVE-2025-46646?

CVE-2025-46646 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-46646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46646?

CVE-2025-46646 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-46646?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-46646 have an EU (EUVD) identifier?

Yes. CVE-2025-46646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12483.

When was CVE-2025-46646 published?

CVE-2025-46646 was published on 2025-04-26 and last updated on 2026-06-17.

CVE-2025-46646

CVE-2025-46646 is a medium-severity vulnerability in Artifex Ghostscript with a CVSS 3.x base score of 4.5. 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-24.

Key facts

Severity: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12483
Weakness: CWE-24
Affected product: Artifex Ghostscript
Published: 2025-04-26
Last modified: 2026-06-17

Description

In Artifex Ghostscript before 10.05.0, decode_utf8 in base/gp_utf8.c mishandles overlong UTF-8 encoding. NOTE: this issue exists because of an incomplete fix for CVE-2024-46954.

Frequently asked questions

What is CVE-2025-46646?: In Artifex Ghostscript before 10.05.0, decode_utf8 in base/gp_utf8.c mishandles overlong UTF-8 encoding. NOTE: this issue exists because of an incomplete fix for CVE-2024-46954.
How severe is CVE-2025-46646?: CVE-2025-46646 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-46646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46646?: CVE-2025-46646 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-46646 have an EU (EUVD) identifier?: Yes. CVE-2025-46646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12483.
When was CVE-2025-46646 published?: CVE-2025-46646 was published on 2025-04-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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