# CVE-2025-9136: retroarch: A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0

CVE-2025-9136 is fixed in retroarch on 1 platform by DEBIAN-CVE-2025-9136 (version 1.20.0+dfsg-3), released August 19, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-9136
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 19, 2025

## Description

A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function filestream_vscanf of the file libretro-common/streams/file_stream.c. This manipulation causes out-of-bounds read. The attack needs to be launched locally. Upgrading to version 1.21.0 mitigates this issue. It is recommended to upgrade the affected component.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | retroarch Debian 14 | 1.20.0+dfsg-3 | [DEBIAN-CVE-2025-9136](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9136.md) | Aug 19, 2025 |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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