Affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7

A flaw was found in Ghostscript. When Ghostscript renders a crafted PostScript or EPS document, it can bypass the -dSAFER sandbox and execute arbitrary shell commands in the context of the Ghostscript process. The issue chains memory corruption in document parsing with disabling of internal path access controls at runtime. An attacker can deliver the document directly or through formats that delegate rendering to Ghostscript (for example EPS import or print conversion workflows). Successful exploitation can compromise confidentiality, integrity, and availability of data accessible to the process running Ghostscript.

Affected: Ubuntu:Pro:16.04:LTS: ghostscript, Ubuntu:Pro:18.04:LTS: ghostscript, Ubuntu:Pro:20.04:LTS: ghostscript, Ubuntu:22.04:LTS: ghostscript, Ubuntu:24.04:LTS: ghostscript, Ubuntu:26.10: ghostscript, Ubuntu:26.04:LTS: ghostscript

Rick de Jager discovered that Ghostscript incorrectly handled memory under certain circumstances when processing PostScript documents. If a user or automated system were tricked into processing a specially crafted document, an attacker could possibly use this issue to bypass the sandbox and execute arbitrary code. (CVE-2026-101258)

It was discovered that Ghostscript incorrectly handled memory when converting certain fonts. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to cause Ghostscript to crash, or possibly execute arbitrary code. (CVE-2026-103226)

Paulos Yibelo discovered that Ghostscript did not properly validate certain operands when loading fonts. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to bypass the sandbox and execute arbitrary code. (No CVE number)