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Ubuntu Security NoticesUSN-8949-1

USN-8949-1: Ghostscript vulnerabilities

Severity not listed 2 CVEs Published Oct 21, 2026 at 3:39 PM UTC

Summary

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)

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 2

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.