# CVE-2020-11722: crawl: Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua by...

CVE-2020-11722 is fixed in 4 products on 1 platform, first by crawl 2:0.21.1-1ubuntu0.1~esm1, released April 12, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-11722
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0389
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 12, 2020

## Description

Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | crawl Ubuntu 18.04.6 LTS (bionic) | 2:0.21.1-1ubuntu0.1~esm1 | [crawl 2:0.21.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-crawl-2-0.21.1-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl Ubuntu 20.04 LTS (focal) | 2:0.24.0-1ubuntu0.1~esm1 | [crawl 2:0.24.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-crawl-2-0.24.0-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-common Ubuntu 18.04.6 LTS (bionic) | 2:0.21.1-1ubuntu0.1~esm1 | [crawl-common 2:0.21.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-crawl-common-2-0.21.1-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-common Ubuntu 20.04 LTS (focal) | 2:0.24.0-1ubuntu0.1~esm1 | [crawl-common 2:0.24.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-crawl-common-2-0.24.0-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-tiles Ubuntu 18.04.6 LTS (bionic) | 2:0.21.1-1ubuntu0.1~esm1 | [crawl-tiles 2:0.21.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-crawl-tiles-2-0.21.1-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-tiles Ubuntu 20.04 LTS (focal) | 2:0.24.0-1ubuntu0.1~esm1 | [crawl-tiles 2:0.24.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-crawl-tiles-2-0.24.0-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-tiles-data Ubuntu 18.04.6 LTS (bionic) | 2:0.21.1-1ubuntu0.1~esm1 | [crawl-tiles-data 2:0.21.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-crawl-tiles-data-2-0.21.1-1ubuntu0.1-esm1.md) | Apr 12, 2020 |
| Linux | crawl-tiles-data Ubuntu 20.04 LTS (focal) | 2:0.24.0-1ubuntu0.1~esm1 | [crawl-tiles-data 2:0.24.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-crawl-tiles-data-2-0.24.0-1ubuntu0.1-esm1.md) | Apr 12, 2020 |

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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

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