Ghostscript flaw lets hackers hijack servers via PDF uploads

Ghostscript flaw lets hackers hijack servers via PDF uploads

A critical heap buffer overflow vulnerability (CVE-2026-39919) in the Ghostscript interpreter and rendering engine could allow remote code execution through specially crafted PDF files.

Ghostscript Flaws Let Hackers Hijack Servers via PDF Uploads

Three dangerous vulnerabilities in Ghostscript now put millions of servers at risk. Attackers can exploit these flaws by uploading a malicious PDF or PostScript file to any web service that uses Ghostscript for document processing. A public proof-of-concept exploit already exists for one of them. The most severe flaw, CVE-2026-39919, scores a critical 9.3 on […]

Ghostscript flaw lets hackers hijack servers via PDF uploads | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #hacker - National Cyber Security Consulting

A critical heap buffer overflow vulnerability (CVE-2026-39919) in the Ghostscript interpreter and rendering engine could allow remote code execution through specially crafted PDF files. The flaw was discovered on August 23 by researchers at Defiant's platform Wordfence using their Argus AI-powered system. Ghostscript is a PostScript and PDF interpreter that can render PDFs as images, generate […] Thank you for subscribing to our RSS feed!