CVE-2025-9136

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductLibretro Retroarch

PublishedAug 19, 2025

First seenAug 19, 2025

Weakness typeCWE-125Out-of-bounds read CWE-119Memory buffer bounds error

How to fix

Patches

github.com/libretro/RetroArch/pull/17555/commits/6446f045ec7fc6a5cac3e8ec35a2f0a5889c88e8
github.com/libretro/RetroArch/releases/tag/v1.21.0

Affected products

Product	Affected versions	Fixed in
libretro retroarch	1.18.0, 1.19.0, 1.20.0	—

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