CVE-2012-2091: Flightgear

High severity, CVSS 9.3. EPSS: 6.5% chance of exploitation in the next 30 days.

Multiple buffer overflows in FlightGear 2.6 and earlier and SimGear 2.6 and earlier allow user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long string in a rotor tag of an aircraft xml model to the Rotor::getValueforFGSet function in src/FDM/YASim/Rotor.cpp or (2) a crafted UDP packet to the SGSocketUDP::read function in simgear/simgear/simgear/io/sg_socket_udp.cxx.

Affected products

• Flightgear Flightgear: up to and including 2.6.0; version 1.9.1 only; version 2.0.0 only
• Simgear Simgear: up to and including 2.6.0; version 1.9.1 only; version 2.0.0 only

Published 2012-06-17. Last modified 2026-06-16.