CVE-2025-46646
Ghostscript: Mishandling of Overlong UTF-8 Encoding in Artifex Ghostscript's decode_utf8 Function
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 26, 2025
Updated · June 30, 2026
Description
A flaw was found in Artifex Ghostscript, specifically in the decode_utf8 function within base/gp_utf8.c. The issue arises from the mishandling of overlong UTF-8 encoding, which can lead to unexpected behavior when processing certain inputs. This flaw could allow an attacker to manipulate text encoding, potentially leading to incorrect processing of UTF-8 characters or unexpected application behavior, and exists because of an incomplete fix for CVE-2024-46954.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.5CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE-24 · Path Traversal: '../filedir'