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[USN-8385-1] Robocode vulnerabilities

Posted on 05 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8385-1
June 04, 2026

robocode vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Robocode.

Software Description:
- robocode: An engaging and educational programming game

Details:

It was discovered that Robocode could be tricked into making network
requests to attacker-controlled systems. An attacker could possibly use
this issue to cause external service interaction, resulting in
information disclosure. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2019-10648)

Lim Sim Yee discovered that Robocode did not properly validate file
paths in the CacheCleaner component. An attacker could possibly use this
issue to delete arbitrary files. (CVE-2025-14306)

Lim Sim Yee discovered that Robocode did not securely create temporary
files in the AutoExtract component. An attacker could possibly use this
issue to manipulate temporary files, resulting in arbitrary code
execution. (CVE-2025-14307)

Lim Sim Yee discovered that Robocode did not properly validate data
lengths in the Buffer class. An attacker could possibly use this issue
to trigger an integer overflow, resulting in arbitrary code execution.
(CVE-2025-14308)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 26.04 LTS
robocode 1.9.3.9-4ubuntu0.26.04.1~esm1
Available with Ubuntu Pro

Ubuntu 24.04 LTS
robocode 1.9.3.9-3ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
robocode 1.9.3.9-2ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
robocode 1.9.3.7-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
robocode 1.9.3.1-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
robocode 1.9.2.5-2ubuntu0.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8385-1
CVE-2019-10648, CVE-2025-14306, CVE-2025-14307, CVE-2025-14308

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