# CVE-2021-33797: mujs: Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1

CVE-2021-33797 is fixed in mujs on 1 platform, first by DEBIAN-CVE-2021-33797, released April 17, 2023. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2021-33797
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0081
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 17, 2023

## Description

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mujs Debian 12.15 (bookworm) | 1.1.3-2 | [DEBIAN-CVE-2021-33797](https://patchblox.com/security/data/fix/linux/debian-cve-2021-33797.md) | Apr 17, 2023 |
| Linux | mujs Debian 13.5 (trixie) | 1.1.3-2 | [DEBIAN-CVE-2021-33797](https://patchblox.com/security/data/fix/linux/debian-cve-2021-33797.md) | Apr 17, 2023 |
| Linux | mujs Debian 14 | 1.1.3-2 | [DEBIAN-CVE-2021-33797](https://patchblox.com/security/data/fix/linux/debian-cve-2021-33797.md) | Apr 17, 2023 |

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