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.
History

Tue, 15 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 12 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Freeciv 3.1.0 through 3.2.5 Out-of-Bounds Read via Savegame
First Time appeared Freeciv
Freeciv freeciv
Weaknesses CWE-125
CPEs cpe:2.3:a:freeciv:freeciv:*:*:*:*:*:*:*:*
Vendors & Products Freeciv
Freeciv freeciv
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H'}

cvssV4_0

{'score': 6.9, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-12T18:06:41.706Z

Updated: 2026-09-15T17:08:59.234Z

Reserved: 2026-09-12T11:13:43.326Z

Link: CVE-2026-90557

cve-icon Vulnrichment

Updated: 2026-09-15T17:08:53.852Z

cve-icon NVD

Status : Deferred

Published: 2026-09-12T18:16:44.343

Modified: 2026-09-23T17:17:47.410

Link: CVE-2026-90557

cve-icon Redhat

No data.