Low severity · published Oct 26, 2026
CVE-2026-116726
gbsplay through 0.0.103 Heap Out-of-Bounds Read via gbr_open GBR Title
New
3.3
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GB
gbsplay · mmitch
through 0.0.103 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116726
github.com
https://github.com/mmitch/gbsplay
github.com
https://github.com/mmitch/gbsplay/blob/0.0.103/gbs.c#L810-L820
github.com
https://github.com/mmitch/gbsplay/commit/33812ed38d84b800b5a17f639ef6625f76290785
github.com
https://github.com/mmitch/gbsplay/issues/201
hackmd.io
https://hackmd.io/@haindpwn/gbsplay-rom-bank-index-oob-read
www.vulncheck.com
https://www.vulncheck.com/advisories/gbsplay-through-0.0.103-heap-out-of-bounds-read-via-gbr-open-gbr-title
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