CVE-2026-40505 | BDVDB-2026-327443 Detail
Artifex SoftwareMuPDF
Description#
MuPDF before 1.27 contains an ANSI injection vulnerability in mutool that allows attackers to inject arbitrary ANSI escape sequences through crafted PDF metadata fields. Attackers can embed malicious ANSI escape codes in PDF metadata that are passed unsanitized to terminal output when running mutool info, enabling them to manipulate terminal display for social engineering attacks such as presenting fake prompts or spoofed commands.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: local.
Weaknesses#
- CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences
References#
- https://github.com/ArtifexSoftware/mupdf/releases/tag/1.27.0
- https://github.com/ArtifexSoftware/mupdf/commit/0f17d789fe8c29b41e47663be82514aaca3a4dfb
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=0f17d789fe8c29b41e47663be82514aaca3a4dfb
- https://www.vulncheck.com/advisories/mupdf-mutool-ansi-injection-via-metadata
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.