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CVE-2026-116725EUVD-2026-110506GHSA-VHG9-CJJJ-F7V6

gbsplay through 0.0.103 Out-of-Bounds Read via mapper_map ROM Bank Index

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub

Summary

gbsplay, a command-line player for Game Boy sound files, is affected. A specially crafted .gbr, .gbs, or .gb file can cause the program to read memory beyond the bounds of its ROM buffer, which typically crashes the player.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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 buffer and crash the player.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • mmitch gbsplay

    through 0.0.103

References 6

GitHub · mmitch/gbsplay

hackmd.io

vulncheck.com