CVE-2026-90557
Freeciv versions 3.1.0 through 3.2.5 contain an out-of-bounds read vulnerability in sg_load_player_unit() when processing savegame files with invalid unit activity indices. An attacker can craft a malicious savegame file with an out-of-range activity index that bypasses bounds checking and causes a crash or limited heap memory exposure when loaded.
Debolezza
Freeciv versions 3.1.0 through 3.2.5 contain an out-of-bounds read vulnerability in sg_load_player_unit() when processing savegame files with invalid unit activity indices. An attacker can craft a malicious savegame file with an out-of-range activity index that bypasses bounds checking and causes a crash or limited heap memory exposure when loaded.
Riferimenti
- https://github.com/freeciv/freeciv
- https://github.com/freeciv/freeciv/blob/R3_2_5/server/savegame/savegame2.c#L4282
- https://github.com/freeciv/freeciv/blob/R3_2_5/server/savegame/savegame3.c#L6108
- https://github.com/freeciv/freeciv/commit/ef0c76c2765fe383140eb1a70dbea1228844152e
- https://github.com/freeciv/freeciv/releases/tag/R3_2_6
- https://redmine.freeciv.org/issues/2162
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