MEDIUM

CVE-2026-90557

2026-09-12 CVSS v3.1

CVSS

6.1

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.

Weakness (CWE)

CWE-125 Out-of-bounds Read

EPSS Score

0.12%

Probability of exploitation in next 30 days

2.5th percentile

References

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 https://www.vulncheck.com/advisories/freeciv-3.1.0-through-3.2.5-out-of-bounds-read-via-savegame

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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