Bug#1111614: retroarch: CVE-2025-9136

[Salvatore Bonaccorso]

Source: retroarch
Version: 1.20.0+dfsg-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/libretro/RetroArch/pull/17555
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for retroarch.

CVE-2025-9136[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-9136
    https://www.cve.org/CVERecord?id=CVE-2025-9136
[1] https://github.com/libretro/RetroArch/pull/17555
[2] https://github.com/libretro/RetroArch/commit/b0999db885a0f1530f0e968c7450a4f0aa624b65

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore