# CVE-2023-51105: mupdf: A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function bmp_deco...

CVE-2023-51105 is fixed in 2 products on 1 platform, first by mupdf 1.12.0+ds1-1ubuntu0.1~esm2, released August 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-51105
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0091
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 26, 2024

## Description

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function bmp_decompress_rle4() of load-bmp.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mupdf Ubuntu 18.04.6 LTS (bionic) | 1.12.0+ds1-1ubuntu0.1~esm2 | [mupdf 1.12.0+ds1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mupdf-1.12.0-ds1-1ubuntu0.1-esm2.md) | Aug 4, 2025 |
| Linux | mupdf Ubuntu 20.04 LTS (focal) | 1.16.1+ds1-1ubuntu1+esm2 | [mupdf 1.16.1+ds1-1ubuntu1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mupdf-1.16.1-ds1-1ubuntu1-esm2.md) | Aug 4, 2025 |
| Linux | mupdf Ubuntu 22.04.1 LTS (jammy) | 1.19.0+ds1-2ubuntu0.1~esm1 | [mupdf 1.19.0+ds1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-mupdf-1.19.0-ds1-2ubuntu0.1-esm1.md) | Aug 4, 2025 |
| Linux | mupdf Ubuntu 24.04.5 LTS (noble) | 1.23.10+ds1-1ubuntu0.1~esm1 | [mupdf 1.23.10+ds1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-mupdf-1.23.10-ds1-1ubuntu0.1-esm1.md) | Aug 4, 2025 |
| Linux | mupdf-tools Ubuntu 18.04.6 LTS (bionic) | 1.12.0+ds1-1ubuntu0.1~esm2 | [mupdf-tools 1.12.0+ds1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mupdf-tools-1.12.0-ds1-1ubuntu0.1-esm2.md) | Aug 4, 2025 |
| Linux | mupdf-tools Ubuntu 20.04 LTS (focal) | 1.16.1+ds1-1ubuntu1+esm2 | [mupdf-tools 1.16.1+ds1-1ubuntu1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mupdf-tools-1.16.1-ds1-1ubuntu1-esm2.md) | Aug 4, 2025 |
| Linux | mupdf-tools Ubuntu 22.04.1 LTS (jammy) | 1.19.0+ds1-2ubuntu0.1~esm1 | [mupdf-tools 1.19.0+ds1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-mupdf-tools-1.19.0-ds1-2ubuntu0.1-esm1.md) | Aug 4, 2025 |
| Linux | mupdf-tools Ubuntu 24.04.5 LTS (noble) | 1.23.10+ds1-1ubuntu0.1~esm1 | [mupdf-tools 1.23.10+ds1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-mupdf-tools-1.23.10-ds1-1ubuntu0.1-esm1.md) | Aug 4, 2025 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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