# CVE-2022-41854: snakeyaml: Those using Snakeyaml to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS)

CVE-2022-41854 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2022-41854, released November 11, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-41854
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0156
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 11, 2022

## Description

Those using Snakeyaml to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stack overflow. This effect may support a denial of service attack.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | snakeyaml Debian 12.15 (bookworm) | 1.33-1 | [DEBIAN-CVE-2022-41854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-41854.md) | Nov 11, 2022 |
| Linux | snakeyaml Debian 13.5 (trixie) | 1.33-1 | [DEBIAN-CVE-2022-41854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-41854.md) | Nov 11, 2022 |
| Linux | snakeyaml Debian 14 | 1.33-1 | [DEBIAN-CVE-2022-41854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-41854.md) | Nov 11, 2022 |
| Linux | snakeyaml amzn 2023 | 1.27-6.amzn2023.0.3 | [ALAS2023-2023-375](https://patchblox.com/security/data/fix/linux/alas2023-2023-375.md) | Sep 27, 2023 |
| Linux | snakeyaml-javadoc amzn 2023 | 1.27-6.amzn2023.0.3 | [ALAS2023-2023-375](https://patchblox.com/security/data/fix/linux/alas2023-2023-375.md) | Sep 27, 2023 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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