Mmastodon TechnologyCybersecurity first seen 1 d ago, last 1 d ago, peak #9
Critical Ghostscript Flaw Enables Remote Code Execution via Crafted PDFs
Original: Critical Ghostscript Flaw Allows Remote Code Execution via PDF Uploads Artifex Ghostscript versions 9.21 to 10.07.1 cont
A critical heap buffer overflow, tracked as CVE-2026-39919, affects Artifex Ghostscript versions 9.21 through 10.07.1. The flaw lets unauthenticated attackers run arbitrary code remotely by uploading a specially crafted PDF, putting at risk any web platform that processes uploaded PDFs with Ghostscript. Security commentators are urging administrators to check whether their services rely on affected versions and to patch promptly.
Why now: Widely used PDF-processing software with a remotely exploitable critical vulnerability is an urgent patching concern for web services everywhere.
Artifex SoftwareGhostscriptCVE-2026-39919
Evidence
- Critical Ghostscript Flaw Allows Remote Code Execution via PDF Uploads Artifex Ghostscript versions 9.21 to 10.07.1 contain a critical heap buffer overflow (CVE-2026-39919) that allows unauthenticated remote code execution via crafted PDF uploads. The flaw impacts web platforms… · beyondmachines1@infosec.exchange · 1
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