---
title: "CVE-2025-9136\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2025-9136?format=md
keywords: index, follow
---

# CVE-2025-9136

Publication date 19 August 2025

Last updated 10 July 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2025-9136?format=md#impact-score)

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## 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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| retroarch | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2025-9136?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| retroarch | * Upstream:   [b0999db](https://github.com/libretro/RetroArch/commit/b0999db885a0f1530f0e968c7450a4f0aa624b65) |

## Severity score breakdown

CVSS version:

CVSS v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2025-9136?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2025-9136?format=md)

**Base score**

4.8 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | Low |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | Low |
  | Vulnerable system - Integrity impact | Low |
  | Vulnerable system - Availability impact | Low |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.8 · Medium |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-9136)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-9136)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-9136)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-9136)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-9136>
* <https://github.com/libretro/RetroArch/pull/17555>