========================================================================== Ubuntu Security Notice USN-7965-1 January 15, 2026
simgear vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
SimGear could be made to run programs as an administrator if it opened a
specially crafted file.
Software Description:
- simgear: set of open-source libraries for assembling 3d simulations, games,
and visualizations
Details:
It was discovered that SimGear could be made to bypass the sandboxing of
Nasal scripts. An attacker could possibly use this issue to execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.04 LTS
libsimgear-dev 1:2020.3.18+dfsg-2.1ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 22.04 LTS
libsimgear-dev 1:2020.3.6+dfsg-1ubuntu0.1~esm2
Available with Ubuntu Pro
Ubuntu 20.04 LTS
libsimgear-dev 1:2019.1.1+dfsg-3ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
libsimgear-dev 1:2018.1.1+dfsg-1ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
libsimgear-dev 3.4.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
libsimgearcore3.4.0v5 3.4.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
libsimgearscene3.4.0v5 3.4.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7965-1
CVE-2025-0781
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