Vulnerability Monitor

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CVE-2025-9136

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, and limited availability for affected systems. Impacting 1 product from libretro organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2025-08-19T12:15:27.390

Last Modified

2025-09-12T14:55:08.680

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:S/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.1

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-119
CWE-125
Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libretro	retroarch	1.18.0	Yes
Application	libretro	retroarch	1.19.0	Yes
Application	libretro	retroarch	1.20.0	Yes

References

https://github.com/libretro/RetroArch/pull/17555 Issue Tracking, Patch ([email protected])
https://github.com/libretro/RetroArch/pull/17555#issuecomment-2651403849 Issue Tracking, Patch ([email protected])
https://github.com/libretro/RetroArch/pull/17555/commits/6446f045ec7fc6a5cac3e8ec35a2f0a5889c88e8 Patch ([email protected])
https://github.com/libretro/RetroArch/releases/tag/v1.21.0 Release Notes ([email protected])
https://vuldb.com/?ctiid.320516 Permissions Required, VDB Entry ([email protected])
https://vuldb.com/?id.320516 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.617657 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.617657 Third Party Advisory, VDB Entry (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For libretro's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.