Buffer overflow in Ghostscript - CVE-2025-27833

Vulnerability identifier: #VU106099

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2025-27833

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
Ghostscript
Debian Linux
Gentoo Linux
Ubuntu
Anolis OS
openEuler
Fedora
Rapid Infrastructure Automation
ghostscript (Ubuntu package)
libgs9 (Ubuntu package)
ghostscript-debugsource
ghostscript
ghostscript-help
ghostscript-tools-dvipdf
ghostscript-devel
ghostscript-debuginfo
ghostscript (Debian package)
libgs10 (Ubuntu package)
ghostscript-doc
ghostscript-gtk
ghostscript-tools-fonts
ghostscript-tools-printing
ghostscript-x11
libgs
libgs-devel
app-text/ghostscript-gpl

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing long TTF font names in pdf/pdf_fmap.c. A remote attacker can create a specially crafted document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://bugs.ghostscript.com/show_bug.cgi?id=708259