# Artifex Mujs vulnerabilities

Source: https://junglewise.ai/threats/technologies/mujs  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/mujs.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Artifex Mujs: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-88362, was published on 24 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 7 (1 critical, 0 exploited in the wild)

## About Artifex Mujs

Mujs is a lightweight JavaScript interpreter library designed for embedding in applications.

## Latest Artifex Mujs vulnerabilities

- [CVE-2026-88362: MuJS numeric conversion overflow in jsR_isindex](https://junglewise.ai/threats/cve-2026-88362-mujs-e892c9fdb-contains-an-incorrect-numeric-conversion) (high, CVSS 7.5, published 24 Sep 2026)
- [CVE-2017-5628: Artifex Software MuJS integer overflow in MakeDay function](https://junglewise.ai/threats/cve-2017-5628-artifex-software-mujs-integer-overflow-in-makeday-function) (high, CVSS 7.8, published 30 Jan 2017)
- [CVE-2017-5627: Artifex Software MuJS integer overflow in js_pushstring](https://junglewise.ai/threats/cve-2017-5627-artifex-software-mujs-integer-overflow-in-js-pushstring) (high, CVSS 7.8, published 30 Jan 2017)
- [CVE-2016-9109: Artifex Software MuJS out-of-bounds read in chartorune](https://junglewise.ai/threats/cve-2016-9109-artifex-software-mujs-out-of-bounds-read-in-chartorune) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-7564: Artifex Software MuJS heap overflow in Fp_toString](https://junglewise.ai/threats/cve-2016-7564-artifex-software-mujs-heap-overflow-in-fp-tostring) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-7563: Artifex Software MuJS out-of-bounds read in chartorune](https://junglewise.ai/threats/cve-2016-7563-artifex-software-mujs-out-of-bounds-read-in-chartorune) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-10141: Artifex MuJS integer overflow in regemit function](https://junglewise.ai/threats/cve-2016-10141-artifex-mujs-integer-overflow-in-regemit-function) (critical, CVSS 9.8, published 13 Jan 2017)

## Most severe Artifex Mujs vulnerabilities

- [CVE-2016-10141: Artifex MuJS integer overflow in regemit function](https://junglewise.ai/threats/cve-2016-10141-artifex-mujs-integer-overflow-in-regemit-function) (critical, CVSS 9.8, published 13 Jan 2017)
- [CVE-2017-5628: Artifex Software MuJS integer overflow in MakeDay function](https://junglewise.ai/threats/cve-2017-5628-artifex-software-mujs-integer-overflow-in-makeday-function) (high, CVSS 7.8, published 30 Jan 2017)
- [CVE-2017-5627: Artifex Software MuJS integer overflow in js_pushstring](https://junglewise.ai/threats/cve-2017-5627-artifex-software-mujs-integer-overflow-in-js-pushstring) (high, CVSS 7.8, published 30 Jan 2017)
- [CVE-2026-88362: MuJS numeric conversion overflow in jsR_isindex](https://junglewise.ai/threats/cve-2026-88362-mujs-e892c9fdb-contains-an-incorrect-numeric-conversion) (high, CVSS 7.5, published 24 Sep 2026)
- [CVE-2016-9109: Artifex Software MuJS out-of-bounds read in chartorune](https://junglewise.ai/threats/cve-2016-9109-artifex-software-mujs-out-of-bounds-read-in-chartorune) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-7564: Artifex Software MuJS heap overflow in Fp_toString](https://junglewise.ai/threats/cve-2016-7564-artifex-software-mujs-heap-overflow-in-fp-tostring) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-7563: Artifex Software MuJS out-of-bounds read in chartorune](https://junglewise.ai/threats/cve-2016-7563-artifex-software-mujs-out-of-bounds-read-in-chartorune) (high, CVSS 7.5, published 18 Jan 2017)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Artifex technologies

- [Artifex Mupdf](https://junglewise.ai/threats/technologies/mupdf): 7 vulnerabilities
- [Artifex Ghostscript](https://junglewise.ai/threats/technologies/ghostscript): 6 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Artifex Mujs vulnerabilities", https://junglewise.ai/threats/technologies/mujs, 10 November 2026.