CVE-2026-122129 | CESNET ipfixcol2 up to 2.8.x Lz4 Decoder read_start_header allocation of resources

A vulnerability, which was classified as critical, has been found in CESNET ipfixcol2 up to 2.8.x. This issue affects the function Lz4Decoder::read_start_header of the component Lz4 Decoder. This manipulation causes allocation of resources.

This vulnerability is registered as CVE-2026-122129. Remote exploitation of the attack is possible. No exploit is available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More