CVE-2025-9809

Publication date 1 September 2025

Last updated 7 August 2026

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Why is this CVE high priority?

remote arbitrary code execution

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
retroarch 26.04 LTS resolute
Not affected
25.10 questing
Fixed 1.20.0+dfsg-3ubuntu0.1
25.04 plucky Ignored end of life, was needs-triage
24.04 LTS noble
Fixed 1.18.0+dfsg-1ubuntu0.1~esm1
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
retroarch

Severity score breakdown

CVSS version:

Base score 8.4 · High

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Base score 9.8 · Critical

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

References

Related Ubuntu Security Notices (USN)

    • USN-8166-1
    • RetroArch vulnerability
    • 12 April 2026

Other references

Access our resources on patching vulnerabilities