Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck
CVE-2026-111153Game Music Emu (libgme) through 0.6.5 Out-of-Bounds Read via Classic_Emu::mute_voices_
Medium 5.5
In plain English
A medium-severity out-of-bounds read in game-music-emu from libgme. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official description
Game Music Emu (libgme) through 0.6.5 contains a global out-of-bounds read vulnerability in Classic_Emu::mute_voices_ that allows attackers to crash applications by supplying NSF files whose voice count exceeds the 16-entry voice-type table. Attackers can craft an NSF header with chip_flags 0x3F, opened through gme_open_data or gme_open_file, to read past the static array during loading and cause denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | game-music-emu | no fix listed | DEBIAN-CVE-2026-111153 |
| Debian:13 | game-music-emu | no fix listed | DEBIAN-CVE-2026-111153 |
| Debian:14 | game-music-emu | no fix listed | DEBIAN-CVE-2026-111153 |
| Ubuntu:22.04:LTS | game-music-emu | no fix listed | UBUNTU-CVE-2026-111153 |
| Ubuntu:24.04:LTS | game-music-emu | no fix listed | UBUNTU-CVE-2026-111153 |
| Ubuntu:26.04:LTS | game-music-emu | no fix listed | UBUNTU-CVE-2026-111153 |
| Ubuntu:26.10 | game-music-emu | no fix listed | UBUNTU-CVE-2026-111153 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| libgme | game-music-emu | 0 – through 0.6.5 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://hackmd.io/@haind-pwn/libgme-ay-track-table-underflow-oob-read technical-description, exploit
- https://github.com/libgme/game-music-emu/blob/9e23d10f9fd2a6a2f33b10912dd8dc7153258995/gme/Nsf_Emu.cpp#L212-L218 technical-description
- https://github.com/libgme/game-music-emu/blob/9e23d10f9fd2a6a2f33b10912dd8dc7153258995/gme/Classic_Emu.cpp#L66-L80 technical-description
- https://github.com/libgme/game-music-emu/issues/164 issue-tracking
- https://github.com/libgme/game-music-emu product
- VulnCheck Advisory: Game Music Emu (libgme) through 0.6.5 Out-of-Bounds Read via Classic_Emu::mute_voices_ third-party-advisory