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Ubuntu Security NoticesUSN-8791-1

USN-8791-1: Ghostscript vulnerability

Severity not listed 0 CVEs Published Sep 21, 2026 at 12:51 PM UTC

Summary

It was discovered that Ghostscript incorrectly handled JPEG 2000 image components with mismatched subsampling factors. An attacker could possibly use this issue to cause Ghostscript to crash or execute arbitrary code if it opened a specially crafted file.

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 0

No CVE identifiers were listed in the collected bulletin.

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.