CVE catalog

CVE-2025-9688

mupen64plus-core: CVE-2025-9688

Severity: Low · CVSS 1.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Published: Aug 30, 2025, 12:32:07 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.28% · Oct 25, 2026

A security vulnerability has been detected in Mupen64Plus up to 2.6.0. The affected element is the function write_is_viewer of the file src/device/cart/is_viewer.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been disclosed publicly and may be used. The identifier of the patch is 3984137fc0c44110f1ef876adb008885b05a6e18. To fix this issue, it is recommended to deploy a patch.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mupen64plus-core	sid	`2.6.0-4`	vulnerable
Debian	mupen64plus-core	forky	`2.6.0-4`	vulnerable
Debian	mupen64plus-core	trixie	`2.6.0-2`	vulnerable
Debian	mupen64plus-core	bookworm	`2.5.9+341+gf82b37bf-1`	vulnerable
Opensuse	mupen64plus	tumbleweed	`2.6.0-2.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mupen64plus-core	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	mupen64plus-core	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	mupen64plus-core	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	mupen64plus-core	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported
Opensuse	mupen64plus	rpm	tumbleweed	`2.6.0-2.1`	Not reported	OPENSUSE-SU-2025:15513-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libmupen64plus2]Affected
Source package: [mupen64plus-core]
Details (1)
- 2.5.9+341+gf82b37bf-1 · amd64 · bookworm
  Affected
  dsa · mupen64plus-core · debian · bookworm; dsa · mupen64plus-core · debian · 12
[libmupen64plus-dev]Affected
Source package: [mupen64plus-core]
Details (2)
- 2.5.9+341+gf82b37bf-1 · all · bookworm
  Affected
  dsa · mupen64plus-core · debian · bookworm; dsa · mupen64plus-core · debian · 12
- 2.5.9+341+gf82b37bf-1 · all · bookworm
  Affected
  dsa · mupen64plus-core · debian · bookworm; dsa · mupen64plus-core · debian · 12
[mupen64plus-data]Affected
Source package: [mupen64plus-core]
Details (2)
- 2.5.9+341+gf82b37bf-1 · all · bookworm
  Affected
  dsa · mupen64plus-core · debian · bookworm; dsa · mupen64plus-core · debian · 12
- 2.5.9+341+gf82b37bf-1 · all · bookworm
  Affected
  dsa · mupen64plus-core · debian · bookworm; dsa · mupen64plus-core · debian · 12

[Debian 13 (Trixie)]

[libmupen64plus2]Affected
Source package: [mupen64plus-core]
Details (1)
- 2.6.0-2 · amd64 · trixie
  Affected
  dsa · mupen64plus-core · debian · 13
[libmupen64plus-dev]Affected
Source package: [mupen64plus-core]
Details (2)
- 2.6.0-2 · all · trixie
  Affected
  dsa · mupen64plus-core · debian · 13
- 2.6.0-2 · all · trixie
  Affected
  dsa · mupen64plus-core · debian · 13
[mupen64plus-data]Affected
Source package: [mupen64plus-core]
Details (2)
- 2.6.0-2 · all · trixie
  Affected
  dsa · mupen64plus-core · debian · 13
- 2.6.0-2 · all · trixie
  Affected
  dsa · mupen64plus-core · debian · 13

[openSUSE Tumbleweed]

[libmupen64plus2]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[libmupen64plus-devel]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-plugin-audio-sdl]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-plugin-input-sdl]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-plugin-rsp-hle]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-plugin-video-glide64mk2]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-plugin-video-rice]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed
[mupen64plus-ui-console]Unknown
Source package: [mupen64plus]
Details (1)
- 2.6.0-3.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.6.0-2.1
  Version impact unknown
  dsa · mupen64plus · opensuse · tumbleweed

Observed: Oct 24, 2026, 7:23:15 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]