CVE-2025-9136
CVE-2025-9136 is a medium-severity vulnerability in Libretro Retroarch with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 4.3
- CVSS v4: 4.8
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-25164
- Weakness: CWE-125
- Affected product: Libretro Retroarch
- Published:
- Last modified:
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.
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.
- How severe is CVE-2025-9136?
- CVE-2025-9136 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2025-9136 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-9136?
- CVE-2025-9136 primarily affects Libretro Retroarch. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-9136?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-9136 have an EU (EUVD) identifier?
- Yes. CVE-2025-9136 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25164.
- When was CVE-2025-9136 published?
- CVE-2025-9136 was published on 2025-08-19 and last updated on 2026-06-17.
References
- https://github.com/libretro/RetroArch/pull/17555
- https://github.com/libretro/RetroArch/pull/17555#issuecomment-2651403849
- https://github.com/libretro/RetroArch/pull/17555/commits/6446f045ec7fc6a5cac3e8ec35a2f0a5889c88e8
- https://github.com/libretro/RetroArch/releases/tag/v1.21.0
- https://vuldb.com/?ctiid.320516
- https://vuldb.com/?id.320516
- https://vuldb.com/?submit.617657
Affected products (3)
- cpe:2.3:a:libretro:retroarch:1.18.0:*:*:*:*:*:*:*
- cpe:2.3:a:libretro:retroarch:1.19.0:*:*:*:*:*:*:*
- cpe:2.3:a:libretro:retroarch:1.20.0:*:*:*:*:*:*:*
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