mupdf: MuPDF before 1.27 contains an ANSI injection vulnerability in mutool that allows attackers to inject arbitrary ANSI e...
CVE-2026-40505 is fixed in mupdf on 1 platform by DEBIAN-CVE-2026-40505 (version 1.27.0+ds1-5), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mupdf · Debian 14 | 1.27.0+ds1-5 | DEBIAN-CVE-2026-40505 | May 15, 2026 |
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