CVE-2025-9136
libretro RetroArch file_stream.c filestream_vscanf out-of-bounds
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
libretro RetroArch file_stream.c filestream_vscanf out-of-bounds
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.
- Record
CVE-2025-9136- CVSS 4.0
- 4.8 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C - CVSS 2.0
- 4.3
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C - Weakness
- CWE-125, CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2025-25164
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.
- Record
EUVD-2025-25164- CVSS 4.0
- 4.8 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6fq3-c5x5-4x7c
A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function...
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.
- Record
GHSA-6fq3-c5x5-4x7c- CVSS 4.0
- 4.8 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-119, CWE-125
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-9136- CVSS 4.0
- 4.8 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.3 Medium
AV:L/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-119, CWE-125
- Updated
- 2026-11-02
OSV
libretro RetroArch file_stream.c filestream_vscanf out-of-bounds
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.
- Record
CVE-2025-9136- CVSS 4.0
- 4.8 Medium
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 - Weakness
- CWE-119, CWE-125
- Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2025-9136- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2025-9136- CVSS 4.0
- 4.8 Medium
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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
retroarchDebian:12 |
All versions, plus listed versions 1.14.0+dfsg-11.15.0+dfsg-11.16.0.3+dfsg-11.18.0+dfsg-11.19.1+dfsg-1 Show 5 moreShow less1.20.0+dfsg-11.20.0+dfsg-21.20.0+dfsg-31.22.2+dfsg-11.22.2+dfsg-2 |
None known |
retroarchDebian:13 |
All versions, plus listed versions 1.20.0+dfsg-21.20.0+dfsg-31.22.2+dfsg-11.22.2+dfsg-2 |
None known |
retroarchDebian:14 |
before 1.20.0+dfsg-3, plus listed versions 1.20.0+dfsg-2 |
1.20.0+dfsg-3 |
retroarchUbuntu:18.04:LTS |
All versions, plus listed versions 1.4.1+dfsg1-1 |
None known |
retroarchUbuntu:20.04:LTS |
All versions, plus listed versions 1.7.3+dfsg1-1build11.7.3+dfsg1-1.1 |
None known |
retroarchUbuntu:22.04:LTS |
All versions, plus listed versions 1.7.3+dfsg1-1.1build1 |
None known |
retroarchUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 1.14.0+dfsg-1build11.15.0+dfsg-11.16.0.3+dfsg-11.18.0+dfsg-11.18.0+dfsg-1ubuntu0.1~esm1 |
None known |
retroarchUbuntu:25.10 |
All versions, plus listed versions 1.20.0+dfsg-2build11.20.0+dfsg-2build21.20.0+dfsg-31.20.0+dfsg-3ubuntu0.1 |
None known |
retroarchUbuntu:26.10 |
All versions, plus listed versions 1.22.2+dfsg-2ubuntu1 |
None known |
retroarchUbuntu:26.04:LTS |
All versions, plus listed versions 1.20.0+dfsg-31.22.2+dfsg-11.22.2+dfsg-21.22.2+dfsg-2build11.22.2+dfsg-2ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-9136 is a medium vulnerability (CVSS 4.8) in Libretro Retroarch, published August 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. Fixed in retroarch 1.20.0+dfsg-3.