# CVE-2025-22873: golang-1.24: It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../"

CVE-2025-22873 is fixed in 10 products on 1 platform, first by ALAS2023-2025-977, released May 21, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-22873
- Priority: Routine
- CVSS: 3.8 (low)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 21, 2025

## Description

It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | go1.24 opensuse-leap 15.6 | 1.24.4-150000.1.26.1 | [SUSE-SU-2025:01846-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01846-1.md) | Jun 9, 2025 |
| Linux | go1.24 sles 15.6 | 1.24.4-150000.1.26.1 | [SUSE-SU-2025:01846-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01846-1.md) | Jun 9, 2025 |
| Linux | go1.24 sles 15.7 | 1.24.4-150000.1.26.1 | [SUSE-SU-2025:01846-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01846-1.md) | Jun 9, 2025 |
| Linux | golang amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-1.24 Debian 13.5 (trixie) | 1.24.4-1 | [DEBIAN-CVE-2025-22873](https://patchblox.com/security/data/fix/linux/debian-cve-2025-22873.md) | Feb 4, 2026 |
| Linux | golang-bin amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-docs amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-misc amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-shared amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-src amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | golang-tests amzn 2023 | 1.24.3-1.amzn2023.0.1 | [ALAS2023-2025-977](https://patchblox.com/security/data/fix/linux/alas2023-2025-977.md) | May 21, 2025 |
| Linux | govulncheck-vulndb opensuse-leap 15.6 | 0.0.20260205T172317-150000.1.146.1 | [SUSE-SU-2026:0403-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0403-1.md) | Feb 6, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 |

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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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