What is CVE-2025-46646?

CVE-2025-46646 is a medium-severity vulnerability in Artifex Ghostscript, classified under CWE-24. CVSS score: 4.5/10. Published 2025-04-26.

How severe is CVE-2025-46646?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Is CVE-2025-46646 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Artifex Ghostscript

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.

EPSS: 0.001 (20.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Artifex Ghostscript — versions 0

Weakness classification (CWE)

CWE-24

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

bugs.ghostscript.com/show_bug.cgi
cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/

Frequently asked questions

What is CVE-2025-46646?: CVE-2025-46646 is a medium-severity vulnerability in Artifex Ghostscript, classified under CWE-24. CVSS score: 4.5/10. Published 2025-04-26.
How severe is CVE-2025-46646?: Medium severity. CVSS v3 base score is 4.5 out of 10.
Is CVE-2025-46646 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.