CVE-2026-63209 | klauspost compress up to 1.18.6 Dictionary s2.NewDict integer overflow

A vulnerability, which was classified as problematic, was found in klauspost compress up to 1.18.6. This impacts the function s2.NewDict of the component Dictionary. The manipulation results in integer overflow.

This vulnerability is known as CVE-2026-63209. It is possible to launch the attack remotely. No exploit is available.

You should upgrade the affected component.VulDB Recent EntriesRead More