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.

Scoring

Severity
MEDIUM
CVSS base score
6.9
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS probability
0.12%
CWE
CWE-125
Published
2026-09-12
Last modified
2026-09-15

Affected products

Weakness type

Related vulnerabilities

Markdown version · Browse all CVEs