# CVE-2023-0482: libresteasy-java: In RESTEasy the insecure File.createTempFile() is used in theDataSourceProvider, FileProvider and Mime4JWorkaround cl...

CVE-2023-0482 is fixed in 2 products on 1 platform, first by libresteasy-java 3.6.2-2ubuntu0.20.04.1~esm1, released October 8, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-0482
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 17, 2023

## Description

In RESTEasy the insecure File.createTempFile() is used in theDataSourceProvider, FileProvider and Mime4JWorkaround classes which createstemp files with insecure permissions that could be read by a local user.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libresteasy-java Ubuntu 20.04 LTS (focal) | 3.6.2-2ubuntu0.20.04.1~esm1 | [libresteasy-java 3.6.2-2ubuntu0.20.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libresteasy-java-3.6.2-2ubuntu0.20.04.1-esm1.md) | Oct 8, 2024 |
| Linux | libresteasy-java Ubuntu 22.04.1 LTS (jammy) | 3.6.2-2ubuntu0.22.04.1~esm1 | [libresteasy-java 3.6.2-2ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libresteasy-java-3.6.2-2ubuntu0.22.04.1-esm1.md) | Oct 8, 2024 |
| Linux | libresteasy-java Ubuntu 24.04.5 LTS (noble) | 3.6.2-2ubuntu0.24.04.1~esm1 | [libresteasy-java 3.6.2-2ubuntu0.24.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libresteasy-java-3.6.2-2ubuntu0.24.04.1-esm1.md) | Oct 8, 2024 |
| Linux | libresteasy-java Ubuntu 24.10 (oracular) | 3.6.2-2ubuntu0.24.10.1 | [libresteasy-java 3.6.2-2ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libresteasy-java-3.6.2-2ubuntu0.24.10.1.md) | Jan 16, 2026 |
| Linux | libresteasy-java Ubuntu 25.04 (plucky) | 3.6.2-3ubuntu0.25.04.1 | [libresteasy-java 3.6.2-3ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libresteasy-java-3.6.2-3ubuntu0.25.04.1.md) | Jan 16, 2026 |
| Linux | libresteasy3.0-java Ubuntu 18.04.6 LTS (bionic) | 3.0.26-1~18.04.1~esm1 | [libresteasy3.0-java 3.0.26-1~18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libresteasy3.0-java-3.0.26-1-18.04.1-esm1.md) | Oct 8, 2024 |
| Linux | libresteasy3.0-java Ubuntu 20.04 LTS (focal) | 3.0.26-1ubuntu0.1~esm1 | [libresteasy3.0-java 3.0.26-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libresteasy3.0-java-3.0.26-1ubuntu0.1-esm1.md) | Oct 8, 2024 |
| Linux | libresteasy3.0-java Ubuntu 22.04.1 LTS (jammy) | 3.0.26-3ubuntu0.1 | [libresteasy3.0-java 3.0.26-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libresteasy3.0-java-3.0.26-3ubuntu0.1.md) | Oct 8, 2024 |
| Linux | libresteasy3.0-java Ubuntu 24.04.5 LTS (noble) | 3.0.26-6ubuntu0.24.04.1 | [libresteasy3.0-java 3.0.26-6ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libresteasy3.0-java-3.0.26-6ubuntu0.24.04.1.md) | Oct 8, 2024 |
| Linux | libresteasy3.0-java Ubuntu 24.10 (oracular) | 3.0.26-6ubuntu0.24.10.1 | [libresteasy3.0-java 3.0.26-6ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libresteasy3.0-java-3.0.26-6ubuntu0.24.10.1.md) | Jan 16, 2026 |
| Linux | libresteasy3.0-java Ubuntu 25.04 (plucky) | 3.0.26-6ubuntu0.25.04.1 | [libresteasy3.0-java 3.0.26-6ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libresteasy3.0-java-3.0.26-6ubuntu0.25.04.1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z 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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