{"id":"CVE-2026-116726","title":"gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Title","summary":"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 r…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-125"],"vendor":"mmitch","product":"gbsplay","affected":["gbsplay <= 0.0.103"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-27T13:41:56.170379Z"},"published":"2026-10-26","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:17:32.379Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116726","references":[{"url":"https://github.com/mmitch/gbsplay/issues/201","label":"GitHub Issue #201"},{"url":"https://github.com/mmitch/gbsplay"},{"url":"https://github.com/mmitch/gbsplay/commit/33812ed38d84b800b5a17f639ef6625f76290785"},{"url":"https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L810-L820"},{"url":"https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-read"},{"url":"https://www.vulncheck.com/advisories/gbsplay-through-0.0.103-heap-out-of-bounds-read-via-gbr-open-gbr-title","label":"VulnCheck Advisory: gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Title"}],"tags":["cve.org"],"epss":0.00127,"epssPercentile":0.02338,"ingestedAt":"2026-10-27T16:11:59.455Z","slug":"CVE-2026-116726","body":"## Overview\n\nGbsplay 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.\n\n## Affected\n\n- `gbsplay <= 0.0.103`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}