# CVE-2021-45341: librecad: A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attack...

CVE-2021-45341 is fixed in 2 products on 1 platform, first by librecad 2.1.2-1ubuntu0.1~esm1, released January 25, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-45341
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0662
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 25, 2022

## Description

A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | librecad Debian 12.15 (bookworm) | 2.1.3-3 | [DEBIAN-CVE-2021-45341](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45341.md) | Jan 25, 2022 |
| Linux | librecad Debian 13.5 (trixie) | 2.1.3-3 | [DEBIAN-CVE-2021-45341](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45341.md) | Jan 25, 2022 |
| Linux | librecad Debian 14 | 2.1.3-3 | [DEBIAN-CVE-2021-45341](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45341.md) | Jan 25, 2022 |
| Linux | librecad Ubuntu 18.04.6 LTS (bionic) | 2.1.2-1ubuntu0.1~esm1 | [librecad 2.1.2-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librecad-2.1.2-1ubuntu0.1-esm1.md) | Jan 25, 2022 |
| Linux | librecad Ubuntu 20.04 LTS (focal) | 2.1.3-1.2+deb10u1build0.20.04.1 | [librecad 2.1.3-1.2+deb10u1build0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librecad-2.1.3-1.2-deb10u1build0.20.04.1.md) | Jan 25, 2022 |
| Linux | librecad Ubuntu 22.04.1 LTS (jammy) | 2.1.3-3 | [librecad 2.1.3-3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-librecad-2.1.3-3.md) | Jan 25, 2022 |
| Linux | librecad-data Ubuntu 18.04.6 LTS (bionic) | 2.1.2-1ubuntu0.1~esm1 | [librecad-data 2.1.2-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librecad-data-2.1.2-1ubuntu0.1-esm1.md) | Jan 25, 2022 |
| Linux | librecad-data Ubuntu 20.04 LTS (focal) | 2.1.3-1.2+deb10u1build0.20.04.1 | [librecad-data 2.1.3-1.2+deb10u1build0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librecad-data-2.1.3-1.2-deb10u1build0.20.04.1.md) | Jan 25, 2022 |
| Linux | librecad-data Ubuntu 22.04.1 LTS (jammy) | 2.1.3-3 | [librecad-data 2.1.3-3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-librecad-data-2.1.3-3.md) | Jan 25, 2022 |

---

Data as of 2026-11-08T06:59:42Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.