gbsplay through 0.0.103 Out-of-Bounds Read via mapper_map ROM Bank Index
gbsplay through 0.0.103 contains an out-of-bounds read vulnerability in mapper_map() in mapper.c that fails to reject ROM bank indexes beyond the ROM size, causing an underflowed bank length. Attackers can supply crafted .gbr, .gbs or .gb files with malicious bank indexes to make bank_get() read far past the heap ROM b…
Severity medium: primary CNA CVSS 6.8 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-10-26T21:52:28.842Z. Updated 2026-10-26T21:52:28.842Z.