CVE-2026-116725 gbsplay through 0.0.103 Out-of-Bounds Read via mapper_map ROM Bank Index
Medium 6.8
Published
Updated
Check this codebase for CVE-2026-116725 and fix it if it is affected.
What it is: CVE-2026-116725 is a medium-severity vulnerability in mmitch gbsplay, published on 26 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-116725 in the wild and no public exploit code.
Affected product: mmitch gbsplay. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-116725/ (Markdown: https://insights.sbomify.com/CVE-2026-116725/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116725?
CVE-2026-116725 is a medium-severity vulnerability in mmitch gbsplay, published on 26 Oct 2026.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2026-116725?
How do I fix CVE-2026-116725?
No fix has been published for CVE-2026-116725 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116725 being exploited?
There is no known exploitation of CVE-2026-116725 in the wild and no public exploit code.
Sources
Also known as GHSA-vhg9-cjjj-f7v6, UBUNTU-CVE-2026-116725.