{"id":"CVE-2026-116727","aliases":["EUVD-2026-110475","GHSA-f826-v6gp-c5xh","UBUNTU-CVE-2026-116727"],"status":"published","title":"gbsplay through 0.0.103 Heap Out-of-Bounds Read via vgm_open in gbs.c","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.","severity":{"version":"4.0","score":4.8,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00132,"percentile":0.02855,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-26T21:52:30Z","modified":"2026-11-05T16:47:01Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.91-1","0.0.93-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.93-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.93-3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.94-2","0.0.94+git20210915-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.94+git20210915-1","0.0.96-1","0.0.96-1build1","0.0.96-1build2","0.0.96-1build3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.102-1","0.0.102-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"gbsplay","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.99-1","0.0.99-2","0.0.102-1"]}],"products":[{"vendor":"mmitch","product":"gbsplay"}],"references":[{"url":"https://github.com/mmitch/gbsplay/issues/201","tags":["issue-tracking","report"]},{"url":"https://github.com/mmitch/gbsplay","tags":["product","package","report"]},{"url":"https://github.com/mmitch/gbsplay/commit/91b1f6df0abd3914f91caa528ec3213d731999e8","tags":["patch","fix","report"]},{"url":"https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L996-L1010","tags":["technical-description","article"]},{"url":"https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-read","tags":["third-party-advisory","exploit","advisory","report"]},{"url":"https://www.vulncheck.com/advisories/gbsplay-through-0.0.103-heap-out-of-bounds-read-via-vgm-open-in-gbs-c","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116727","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f826-v6gp-c5xh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116727.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-116727","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-116727","tags":["report"]},{"url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/116xxx/cve-2026-116727.json","tags":["report"]},{"url":"https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#l996-l1010","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/cve-2026-116727","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-116727","title":"gbsplay through 0.0.103 Heap Out-of-Bounds Read via vgm_open in gbs.c","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.","status":"published","published":"2026-10-26T21:52:30.198Z","modified":"2026-11-05T16:47:01.089Z","cvss":[{"version":"4.0","score":4.8,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-05T17:53:58.925122Z"}],"euvd":[{"id":"EUVD-2026-110475","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.","status":"published","published":"2026-10-26T21:52:30Z","modified":"2026-11-05T16:47:01Z","cvss":[{"version":"4.0","score":4.8,"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","level":"medium"}],"updated_at":"2026-11-05T18:00:57.863749Z"}],"ghsa":[{"id":"GHSA-f826-v6gp-c5xh","title":"gbsplay through 0.0.103 contains a heap out-of-bounds read vulnerability in vgm_open() in gbs.c...","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.","status":"published","published":"2026-10-27T00:32:46Z","modified":"2026-10-27T00:32:47Z","cvss":[{"version":"4.0","score":4.8,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:14:27.349207Z"}],"nvd":[{"id":"CVE-2026-116727","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.","status":"published","published":"2026-10-26T22:16:56.503Z","modified":"2026-11-05T17:17:43.957Z","cvss":[{"version":"4.0","score":4.8,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-05T19:56:07.634341Z"}],"osv":[{"id":"CVE-2026-116727","title":"gbsplay through 0.0.103 Heap Out-of-Bounds Read via vgm_open in gbs.c","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.","status":"published","published":"2026-10-26T21:52:30.198Z","modified":"2026-11-07T07:02:55.682191317Z","cvss":[{"version":"4.0","score":4.8,"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","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-07T03:08:01.156605Z"},{"id":"UBUNTU-CVE-2026-116727","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.","status":"published","published":"2026-10-26T22:16:00Z","modified":"2026-10-28T20:17:45.717080274Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":4.8,"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","level":"medium"},{"version":"4.0","score":4.8,"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","level":"medium"}],"updated_at":"2026-11-02T16:56:00.081948Z"}]}}