CVE-2026-90556

A flaw was found in Freeciv. This vulnerability, a heap buffer overflow in the worklistload function, occurs when processing specially crafted savegame files. An attacker can create a malicious savegame file that, when loaded by a user or server operator, causes memory corruption. This could lead...

UBUNTU-CVE-2026-90556

Freeciv versions before 3.2.6 contain a heap buffer overflow in worklistload when processing savegame files with declared worklist lengths exceeding the fixed array bound of 64 elements. Attackers can craft malicious savegame files that write past the entries array into adjacent heap-allocated...

UBUNTU-CVE-2026-90557

Freeciv versions 3.1.0 through 3.2.5 contain an out-of-bounds read vulnerability in sgloadplayerunit 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...

DEBIAN-CVE-2026-90556

Freeciv versions before 3.2.6 contain a heap buffer overflow in worklistload when processing savegame files with declared worklist lengths exceeding the fixed array bound of 64 elements. Attackers can craft malicious savegame files that write past the entries array into adjacent heap-allocated...