CVE-2026-103011 | Progressive Robot hMailServer up to 6.3.5 Blowfish Encryption Routine Encode buffer overflow

October 8, 2026 Yanac

A vulnerability labeled as critical has been found in Progressive Robot hMailServer up to 6.3.5. This issue affects the function BlowFishEncryptor::Encode of the component Blowfish Encryption Routine. The manipulation results in buffer overflow.

This vulnerability is known as CVE-2026-103011. It is possible to launch the attack remotely. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More