PT-2025-35505 · Unknown+4 · Libretro-Common+4

Simcha Kosman · Published 2025-09-01 · Updated 2026-04-12 · CVE-2025-9809

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions libretro libretro-common (affected versions not specified)

Description An out-of-bounds write issue exists in the cdfs open cue track function. This allows remote attackers to execute arbitrary code via a crafted .cue file. The issue occurs when a file path within the .cue file exceeds PATH MAX LENGTH. The memcpy function copies this path into a fixed-size buffer, leading to the write beyond the buffer's boundaries.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-9809

USN-8166-1

Affected Products

Debian

Linuxmint

Ubuntu

Libretro

Libretro-Common

References · 16

• https://osv.dev/vulnerability/CVE-2025-9809 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-9809 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-9809 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9809 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-9809 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8166-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-9809 · Security Note
• https://ubuntu.com/security/CVE-2025-9809 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8166-1 · Vendor Advisory
• https://github.com/libretro/libretro-common/blob/master/formats/cdfs/cdfs.c#L471 · Note
• https://github.com/libretro/libretro-common/issues/222 · Note
• https://twitter.com/VulmonFeeds/status/1962601410429628563 · Twitter Post
• https://t.me/CVEtracker/31452 · Telegram Post
• https://t.me/cveNotify/145129 · Telegram Post
• https://t.me/cveNotify/134041 · Telegram Post