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Public proof of conceptFix available

CVE-2025-9136

A public proof of concept exists; no exploitation attested.

  • Published2025-08-19
  • WeaknessCWE-119 · CWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function filestream_vscanf of the file libretro-common/streams/file_stream.c. This manipulation causes out-of-bounds read. The attack needs to be launched locally. Upgrading to version 1.21.0 mitigates this issue. It is recommended to upgrade the affected component.

Timeline

dates in UTC
  1. 2025-08-1912:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-9136?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-9136?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Libretro retroarch
BranchAffectedFixed in
1.18= 1.18.0no fix published
1.19= 1.19.0no fix published
1.20= 1.20.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • libretro RetroArch
    Affected
    • = 1.18.0no fix stated
    • = 1.19.0no fix stated
    • = 1.20.0no fix stated

    Not affected = 1.21.0

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-08-19

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • retroarchUbuntu:Pro:24.04:LTSall versions · no fixed version listed
  • retroarchUbuntu:26.10all versions · no fixed version listed
  • retroarchUbuntu:26.04:LTSall versions · no fixed version listed
  • retroarchUbuntu:25.10all versions · no fixed version listed
  • retroarchUbuntu:22.04:LTSall versions · no fixed version listed
  • retroarchUbuntu:20.04:LTSall versions · no fixed version listed
  • retroarchUbuntu:18.04:LTSall versions · no fixed version listed
  • retroarchDebian:14all versions · fixed in 1.20.0+dfsg-3

2 more package ranges on OSV.dev

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-08-19
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.04.8known since 2026-10-23
  • CNACVSS 3.15.3known since 2026-10-23
  • NVDCVSS 3.17.8read 2026-10-23
  • CNACVSS 2.04.3known since 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-125known since 2026-10-23
  • NVDweakness (CWE)CWE-125read 2026-10-23
  • FIRST EPSSEPSS score0.2 %2026-11-03
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-08-19
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-6fq3-c5x5-4x7c

Frequently asked questions

What is CVE-2025-9136?

A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function filestream_vscanf of the file libretro-common/streams/file_stream.c. This manipulation causes out-of-bounds read. The attack needs to be launched locally. Upgrading to version 1.21.0 mitigates this issue. It is recommended to upgrade the affected component.

Is CVE-2025-9136 actively exploited?

A proof-of-concept exploit exists for CVE-2025-9136, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-9136?

CVE-2025-9136 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record