CVE-2026-116726
gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Title
- State
- Published
- Severity
- 4.8 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 27, 2026
- Reserved
- Oct 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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 | VulnCheck |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
gbsplaymmitch |
|
References
- GitHub Issue #201issue-tracking
- https://github.com/mmitch/gbsplayproduct
- https://github.com/mmitch/gbsplay/commit/33812ed38d84b800b5a17f639ef6625f76290785patch
- https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L810-L820technical-description
- https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-readthird-party-advisory
- VulnCheck Advisory: gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Titlethird-party-advisory
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