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Fencer Vulns
medium 4.5

CVE-2025-46646 json

In Artifex Ghostscript before 10.05.0, decode_utf8 in base/gp_utf8.c mishandles overlong UTF-8 encoding.

published 2025-04-26 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-12483

cvss
4.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

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.

Patch / fix

  • Artifex Ghostscript 10.05.0
  • ghostscript Debian 14, Debian 13 10.05.0~dfsg-1

debian advisories DEBIAN-CVE-2025-46646

  • ghostscript Ubuntu 24.04 LTS 10.02.1~dfsg1-0ubuntu7.6

ubuntu advisories UBUNTU-CVE-2025-46646

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ghostscript openSUSE Leap 16.0 10.06.0-160000.1.1
  • ghostscript openSUSE Tumbleweed 10.05.1-1.1

opensuse advisories openSUSE-SU-2026:20592-1openSUSE-SU-2025:15413-1

  • ghostscript Alpine 3.18 10.05.1
  • ghostscript Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 10.05.1-r0

alpine advisories ALPINE-CVE-2025-46646

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-46646 updated cvss 4.5

Ghostscript: Mishandling of Overlong UTF-8 Encoding in Artifex Ghostscript's decode_utf8 Function

  • Red Hat Enterprise Linux 6 ghostscript, ghostscript-gtk Red Hat Enterprise Linux 7 libgs, ghostscript, ghostscript-gtk, ghostscript-cups Red Hat Enterprise Linux 8 libgs, ghostscript, ghostscript-x11, ghostscript-tools-fonts, ghostscript-tools-dvipdf, ghostscript-tools-printing Red Hat Enterprise Linux 9 libgs, ghostscript, ghostscript-x11, ghostscript-tools-fonts, ghostscript-tools-dvipdf, ghostscript-tools-printing Red Hat Enterprise Linux 10 ghostscript
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected products

  • Artifex Ghostscript

Classification

Weakness
  • CWE-24 Path Traversal: '../filedir'

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.