Ghostscript flaw allows remote code execution via crafted PDFs
Event Brief generated 23 s read
Written by an AI. It was merged from the source on this page and has not been reviewed by a person.
The short version
- A critical heap overflow in Ghostscript is tracked as CVE-2026-39919.
- Crafted PDF files could allow remote code execution.
- Servers that accept PDF uploads are the most exposed.
What happened
BleepingComputer reports a critical heap buffer overflow in the Ghostscript interpreter and rendering engine, CVE-2026-39919. It could allow remote code execution through specially crafted PDF files.
Why it might matter
Many web services convert or render uploaded PDFs with Ghostscript. Unpatched servers that process untrusted files could be taken over.
What we don’t know yet
The summary does not give affected versions, a patch status, or evidence of active exploitation.
