Bug 2389384 (CVE-2025-9136)

Summary: CVE-2025-9136 RetroArch: libretro RetroArch file_stream.c filestream_vscanf out-of-bounds
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in RetroArch. This vulnerability allows a local attacker to trigger an out-of-bounds read via a crafted input to the filestream_vscanf function in the libretro-common/streams/file_stream.c file due to a missing initialization, resulting in a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2389430, 2389431    
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Description OSIDB Bzimport 2025-08-19 12:01:15 UTC
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.