CVE-2025-9809 — CRITICAL (9.8)

Vulnerability Description

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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libretro	Libretro-Common	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471Product
https://github.com/libretro/libretro-common/issues/222Issue TrackingThird Party Advisory

FAQ

What is CVE-2025-9809?

CVE-2025-9809 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2025-9809?

CVE-2025-9809 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-9809?

Check the references section above for vendor advisories and patch information. Affected products include: Libretro Libretro-Common.