# RHSA-2025:10140: python3.12 security update

RHSA-2025:10140, released June 3, 2025, fixes 5 CVEs in python3.12 (version 3.12.9-2.el10_0.2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-10140
- Platform: Linux
- Released: Jun 3, 2025
- Priority: High (Closes CVE-2025-4138, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:10140

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python3.12](https://patchblox.com/security/data/product/linux/python3.12.md) | RHEL 10 | 3.12.9-2.el10_0.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-4138](https://patchblox.com/security/data/cve/CVE-2025-4138.md) | High | Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory | 7.6 | 0.0149 |  |
| [CVE-2025-4517](https://patchblox.com/security/data/cve/CVE-2025-4517.md) | High | Arbitrary writes via tarfile realpath overflow | 9.4 | 0.0148 |  |
| [CVE-2025-4330](https://patchblox.com/security/data/cve/CVE-2025-4330.md) | High | Extraction filter bypass for linking outside extraction directory | 7.6 | 0.0097 |  |
| [CVE-2024-12718](https://patchblox.com/security/data/cve/CVE-2024-12718.md) | High | Bypass extraction filter to modify file metadata outside extraction directory | 7.6 | 0.0083 |  |
| [CVE-2025-4435](https://patchblox.com/security/data/cve/CVE-2025-4435.md) | High | Tarfile extracts filtered members when errorlevel=0 | 7.6 | 0.0062 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo