{"id":"CVE-2026-116727","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116727","generatedAt":"2026-10-27T23:50:53.212Z","title":"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.","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.","published":"2026-10-26T22:16:57.000Z","lastModified":"2026-10-27T15:55:51.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":4.8,"severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and no EPSS score yet. Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-26T22:16:57.000Z","detail":{"score":"4.8","severity":"MEDIUM","publishedAt":"2026-10-26T22:16:56.503Z"},"summary":"New CVE, medium severity (CVSS 4.8)."}],"references":[{"url":"https://github.com/mmitch/gbsplay","source":"disclosure@vulncheck.com"},{"url":"https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L996-L1010","source":"disclosure@vulncheck.com"},{"url":"https://github.com/mmitch/gbsplay/commit/91b1f6df0abd3914f91caa528ec3213d731999e8","source":"disclosure@vulncheck.com"},{"url":"https://github.com/mmitch/gbsplay/issues/201","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-read","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gbsplay-through-0.0.103-heap-out-of-bounds-read-via-vgm-open-in-gbs-c","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116727","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}