What’s Vulnerable › Vulnerabilities

CVE-2026-116727: gbsplay through 0.0.103 Heap Out-of-Bounds Read via vgm_open in gbs.c

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-27
• Weakness: CWE-125

Description

gbsplay through 0.0.103 contains a heap out-of-bounds read vulnerability in vgm_open() in gbs.c that walks the VGM command stream without bounds checks. Attackers can supply a crafted VGM file with wait opcodes and no 0x66 terminator to read past the heap buffer and crash the player.

Affected products

• mmitch gbsplay: through 0.0.103

References

• https://github.com/mmitch/gbsplay
• https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L996-L1010
• https://github.com/mmitch/gbsplay/commit/91b1f6df0abd3914f91caa528ec3213d731999e8
• https://github.com/mmitch/gbsplay/issues/201
• https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-read
• https://www.vulncheck.com/advisories/gbsplay-through-0.0.103-heap-out-of-bounds-read-via-vgm-open-in-gbs-c

Get alerted when CVE-2026-116727 or the next vulnerability affects your stack