| Name | CVE-2026-90557 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| freeciv (PTS) | bookworm, bookworm (security) | 3.0.6-1+deb12u1 | vulnerable |
| trixie (security), trixie | 3.1.4+ds-2+deb13u1 | vulnerable |
| forky, sid | 3.2.6+ds-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| freeciv | source | (unstable) | 3.2.6+ds-1 | unimportant | | |
Notes
Crash in CLI tool, no security impact
https://redmine.freeciv.org/issues/2162