Ubuntu Security NoticesUSN-8754-1

USN-8754-1: Freeciv vulnerability

It was discovered that Freeciv incorrectly handled certain network packets, resulting in a stack overflow. A remote attacker could possibly use this issue to cause Freeciv clients or servers to crash, resulting in a denial of service.

Read the vendor bulletin

Not listedCVSS not listedNot listed severity

Scope

What the vendor says is affected

The collected bulletin did not provide a separate affected-products list. Check the original bulletin before making an exposure decision.

Timeline

When this advisory changed

Sep 14, 2026 at 12:40 PM UTC
Published by Ubuntu
The publication date reported by the vendor.
Sep 14, 2026 at 5:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Source

Start with the vendor's bulletin

SecurityAlert organizes the fields the vendor published. The original bulletin remains the source of record for affected versions, fixes, and later changes.

Vendor: Ubuntu
Advisory ID: USN-8754-1
Last source check: Sep 14, 2026 at 5:50 PM UTC

Open the official bulletin How SecurityAlert builds this record

Your environment

Check the systems you actually run

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Confirm the product and installed version.
Read the vendor's prerequisites and exceptions.
Test the update or mitigation through your normal change process.

Keep following

Get new Ubuntu advisories

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed

What the vendor says is affected

When this advisory changed

Related advisories from Ubuntu

USN-8757-1: cgit vulnerability

USN-8756-1: Yelp vulnerability

USN-8755-1: libvips vulnerability

USN-8753-1: libinput vulnerability

USN-8752-1: Konsole vulnerability

USN-8563-5: nginx vulnerability