CVE-2026-6409 | Protocol Buffers Protobuf-php up to 4.33.5/5.33.x Structured Message denial of service (GHSA-p2gh-cfq4-4wjc)

A vulnerability was found in Protocol Buffers Protobuf-php up to 4.33.5/5.33.x and classified as problematic. Affected is an unknown function of the component Structured Message Handler. Executing a manipulation can lead to denial of service.

This vulnerability appears as CVE-2026-6409. The attack may be performed from remote. There is no available exploit.

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