CVE-2025-9809

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 v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
libretro	libretro-common	All

References

Other References

https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471 https://github.com/libretro/libretro-common/issues/222

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-9809? +

CVE-2025-9809 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-9809? +

CVE-2025-9809 affects products from libretro, specifically: libretro-common. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9809? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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