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.
Conclusion & alert: CVE-2025-46646 is rated Low Risk (26.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.09%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-20 | 0.01% | 0.09% | +0.07% |
| 2 | 2025-04-27 | — | 0.01% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.5 | 3.1 | MEDIUM |
|
1.4 | 2.7 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-46646: 1 source package rows (ghostscript); 101 state rows across 6 repos (3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 11, open 90. | https://security.alpinelinux.org/vuln/CVE-2025-46646 |
debian
|
unimportant | CVE-2025-46646 unimportant priority: Debian including 1 source packages (ghostscript), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-46646 |
gentoo
|
high | CVE-2025-46646: 1 GLSA(s) (202508-02), 1 atom(s) (app-text/ghostscript-gpl); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2025-46646 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-46646 |
suse
|
low | CVE-2025-46646 severity low: SUSE including 7 source package names (ghostscript, ghostscript-10.05.1-1.1, …), 85 product×package rows across 32 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS, … (32 product lines)): Known Not Affected 82, Fixed 3. | https://www.suse.com/security/cve/CVE-2025-46646/ |
ubuntu
|
medium | CVE-2025-46646 medium priority: Ubuntu including 1 source packages (ghostscript), 8 status rows across 8 suites (bionic, focal, jammy, noble, oracular, plucky, upstream, xenial): not-affected 5, released 3. | https://ubuntu.com/security/CVE-2025-46646 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| artifex | ghostscript | < 10.05.0 | cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:* |