{"id":"CVE-2026-116726","aliases":[],"title":"gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Title","description":"Gbsplay through 0.0.103 contains a heap out-of-bounds read vulnerability in gbr_open() in gbs.c that fails to verify file length before scanning the GBR ROM title field. Attackers can supply a crafted GBR file of 0x21 to 0x162 bytes to read past the heap buffer, crashing gbsplay or leaking memory.","severity":"medium","score":4.8,"published":"2026-10-26T21:52:29.528Z","modified":"2026-10-27T14:17:32.379Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/mmitch/gbsplay/issues/201","https://github.com/mmitch/gbsplay","https://github.com/mmitch/gbsplay/commit/33812ed38d84b800b5a17f639ef6625f76290785","https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L810-L820","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-gbr-open-gbr-title"],"sources":[{"name":"CVE","id":"CVE-2026-116726","modified":"2026-10-27T14:17:32.379Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116726"}],"assessments":[{"source":"CNA","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","score":4.8},{"source":"CNA","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3}]}