Improper Neutralization Affecting mupdf package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-MUPDF-16325209
- published1 May 2026
- disclosed16 Apr 2026
- creditNiel Duysters
Introduced: 16 Apr 2026
CVE-2026-40505 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Neutralization via unsanitized handling of PDF metadata fields in terminal output. An attacker can manipulate terminal behavior and display misleading prompts or commands by embedding crafted ANSI escape sequences in PDF metadata.