Vulnerability · Published Sep 1, 2025 · Assigned by CyberArk
CVE-2025-9809
High 8.4
In plain English
A high-severity out-of-bounds write in libretro-common from libretro. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.4%top 63.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | retroarch | no fix listed | DEBIAN-CVE-2025-9809 |
| Debian:13 | retroarch | no fix listed | DEBIAN-CVE-2025-9809 |
| Debian:14 | retroarch | no fix listed | DEBIAN-CVE-2025-9809 |
| Ubuntu:25.10 | retroarch | 1.20.0+dfsg-3ubuntu0.1 | USN-8166-1 |
| Ubuntu:25.10 | retroarch | 1.20.0+dfsg-3ubuntu0.1 | UBUNTU-CVE-2025-9809 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| libretro | libretro-common | 0 |
Weakness: CWE-787 · 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