CVE-2025-9809

Out-of-bounds write in cdfs_open_cue_track in libretro libretro-common latest on all platforms allows remote attackers to execute arbitrary code via a crafted .cue file with a file path exceeding PATH_MAX_LENGTH that is copied using memcpy into a fixed-size buffer.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471	Product
https://github.com/libretro/libretro-common/issues/222	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libretro:libretro-common:-:*:*:*:*:*:*:*

History

17 Jun 2026, 10:09

Type	Values Removed	Values Added
Summary		(es) Escritura fuera de límites en cdfs_open_cue_track en libretro libretro-common en su última versión en todas las plataformas permite a atacantes remotos ejecutar código arbitrario mediante un archivo .cue manipulado con una ruta de archivo que excede PATH_MAX_LENGTH que se copia utilizando memcpy en un búfer de tamaño fijo.

08 Dec 2025, 15:18

Type	Values Removed	Values Added
CPE		cpe:2.3:a:libretro:libretro-common:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
First Time		Libretro libretro-common Libretro
References	~~() https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471 -~~	() https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471 - Product
References	~~() https://github.com/libretro/libretro-common/issues/222 -~~	() https://github.com/libretro/libretro-common/issues/222 - Issue Tracking, Third Party Advisory

01 Sep 2025, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-01 19:15

Updated : 2026-06-17 10:09

NVD link : CVE-2025-9809

Mitre link : CVE-2025-9809

CVE.ORG link : CVE-2025-9809

JSON object : View

Products Affected

libretro

libretro-common

CWE

CWE-787

Out-of-bounds Write

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